22546564 has 12 divisors (see below), whose sum is σ = 39768064. Its totient is φ = 11184264.

The previous prime is 22546553. The next prime is 22546591. The reversal of 22546564 is 46564522.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21684 + ... + 22699.

Almost surely, 2^22546564 is an apocalyptic number.

It is an amenable number.

22546564 is a deficient number, since it is larger than the sum of its proper divisors (17221500).

22546564 is a wasteful number, since it uses less digits than its factorization.

22546564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44514 (or 44512 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 22546564 is about 4748.3222300092. The cubic root of 22546564 is about 282.5054229256.

The spelling of 22546564 in words is "twenty-two million, five hundred forty-six thousand, five hundred sixty-four".