Divisor 19622

To determine if any number is divisible by 19622, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 9811 - then it is divisible by 19622.

The following tests must pass:

• Test if a number is divisible by 2
• The "Roberto Casula Test" for Divisibility by 9811

Easy!