Find the equivalent number on the 12-hour clock. -22

To find the equivalent number on the 12-hour clock for the given number -22, we need to subtract or add multiples of 12 until we obtain a number between 1 and 12.

Starting with -22, we can add 12 repeatedly until we get a positive number.

-22 + 12 = -10 (still negative)
-10 + 12 = 2

Therefore, on the 12-hour clock, the equivalent number for -22 is 2.