According to the information provided, the number of overdue days is calculated from the billing date. The following are detailed instructions:

1. The billing date is the 22nd of each month, and the due payment date is the 10th of each month.

2. How long has it been overdue since the bill was issued on May 22 to now?

- If the bill is issued on May 22, it will be considered overdue on the first day.

- If there is no repayment as of now, then the number of overdue days is the number of days between the calculation day and the billing day.

- For example, if today is June 5th, then the number of overdue days is June 5th minus May 22nd, and one *** is 14 days overdue.

- If today is June 23, then the number of overdue days is June 23 minus May 22. One *** is 32 days overdue.

Summary:

According to the information provided, from the time the bill was issued on May 22 to now, it has been overdue for a certain period of time. The exact number of days past due depends on the number of days between today's date and the billing date.

Extended information:

The number of overdue days refers to the number of days that the credit card holder fails to pay off the debt on time within the specified repayment period. The number of days overdue will affect your personal credit record and credit score. Therefore, it is recommended that credit card holders make repayments on time and try to avoid overdue payments.

If you need to learn more about credit card related knowledge, you can consult the bank’s customer service staff or refer to the official website related to credit cards. Credit card policies and regulations may vary from bank to bank, so it is best to consult a relevant professional for accurate information and advice in your specific circumstances.