Q: Is 22,000 a Prime Number?
A: No, 22,000 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 22000 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 125 176 200 220 250 275 400 440 500 550 880 1,000 1,100 1,375 2,000 2,200 2,750 4,400 5,500 11,000 and 22,000, with no remainder.
Since 22,000 cannot be divided by just 1 and 22,000, it is not a prime number.