22549564 has 12 divisors (see below), whose sum is σ = 40131000. Its totient is φ = 11083568.

The previous prime is 22549547. The next prime is 22549567. The reversal of 22549564 is 46594522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22549567) 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, 47539 + ... + 48010.

It is an arithmetic number, because the mean of its divisors is an integer number (3344250).

Almost surely, 2^22549564 is an apocalyptic number.

It is an amenable number.

22549564 is a deficient number, since it is larger than the sum of its proper divisors (17581436).

22549564 is a wasteful number, since it uses less digits than its factorization.

22549564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95612 (or 95610 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 22549564 is about 4748.6381205563. The cubic root of 22549564 is about 282.5179522358.

The spelling of 22549564 in words is "twenty-two million, five hundred forty-nine thousand, five hundred sixty-four".