22394572 has 12 divisors (see below), whose sum is σ = 40102216. Its totient is φ = 10936800.

The previous prime is 22394543. The next prime is 22394573. The reversal of 22394572 is 27549322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22394573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64929 + ... + 65272.

Almost surely, 2^22394572 is an apocalyptic number.

It is an amenable number.

22394572 is a deficient number, since it is larger than the sum of its proper divisors (17707644).

22394572 is a wasteful number, since it uses less digits than its factorization.

22394572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130248 (or 130246 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 22394572 is about 4732.2903545746. The cubic root of 22394572 is about 281.8691779566.

The spelling of 22394572 in words is "twenty-two million, three hundred ninety-four thousand, five hundred seventy-two".