22922272 has 12 divisors (see below), whose sum is σ = 45128286. Its totient is φ = 11461120.

The previous prime is 22922257. The next prime is 22922281. The reversal of 22922272 is 27222922.

It can be written as a sum of positive squares in only one way, i.e., 22695696 + 226576 = 4764^2 + 476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22922272.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358129 + ... + 358192.

Almost surely, 2^22922272 is an apocalyptic number.

It is an amenable number.

22922272 is a deficient number, since it is larger than the sum of its proper divisors (22206014).

22922272 is an equidigital number, since it uses as much as digits as its factorization.

22922272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716331 (or 716323 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 22922272 is about 4787.7209609584. The cubic root of 22922272 is about 284.0659768688.

The spelling of 22922272 in words is "twenty-two million, nine hundred twenty-two thousand, two hundred seventy-two".