22726472 has 16 divisors (see below), whose sum is σ = 43987200. Its totient is φ = 10996560.

The previous prime is 22726469. The next prime is 22726477. The reversal of 22726472 is 27462722.

It is not an unprimeable number, because it can be changed into a prime (22726477) 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, 45572 + ... + 46067.

It is an arithmetic number, because the mean of its divisors is an integer number (2749200).

Almost surely, 2^22726472 is an apocalyptic number.

It is an amenable number.

22726472 is a deficient number, since it is larger than the sum of its proper divisors (21260728).

22726472 is a wasteful number, since it uses less digits than its factorization.

22726472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91676 (or 91672 counting only the distinct ones).

The product of its digits is 18816, while the sum is 32.

The square root of 22726472 is about 4767.2289645034. The cubic root of 22726472 is about 283.2548408484.

The spelling of 22726472 in words is "twenty-two million, seven hundred twenty-six thousand, four hundred seventy-two".