22225972 has 24 divisors (see below), whose sum is σ = 41333600. Its totient is φ = 10427616.

The previous prime is 22225967. The next prime is 22225979. The reversal of 22225972 is 27952222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6943 + ... + 9625.

Almost surely, 2^22225972 is an apocalyptic number.

It is an amenable number.

22225972 is a deficient number, since it is larger than the sum of its proper divisors (19107628).

22225972 is a wasteful number, since it uses less digits than its factorization.

22225972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2813 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 22225972 is about 4714.4429151279. The cubic root of 22225972 is about 281.1600343032.

The spelling of 22225972 in words is "twenty-two million, two hundred twenty-five thousand, nine hundred seventy-two".