22672564 has 24 divisors (see below), whose sum is σ = 40964000. Its totient is φ = 10971936.

The previous prime is 22672561. The next prime is 22672591. The reversal of 22672564 is 46527622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22672561) 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, 45187 + ... + 45685.

Almost surely, 2^22672564 is an apocalyptic number.

It is an amenable number.

22672564 is a deficient number, since it is larger than the sum of its proper divisors (18291436).

22672564 is a wasteful number, since it uses less digits than its factorization.

22672564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 845 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 22672564 is about 4761.5715892970. The cubic root of 22672564 is about 283.0307000121.

The spelling of 22672564 in words is "twenty-two million, six hundred seventy-two thousand, five hundred sixty-four".