22564712 has 32 divisors (see below), whose sum is σ = 45360000. Its totient is φ = 10485504.

The previous prime is 22564699. The next prime is 22564741. The reversal of 22564712 is 21746522.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10289 + ... + 12287.

It is an arithmetic number, because the mean of its divisors is an integer number (1417500).

Almost surely, 2^22564712 is an apocalyptic number.

It is an amenable number.

22564712 is an abundant number, since it is smaller than the sum of its proper divisors (22795288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22564712 is a wasteful number, since it uses less digits than its factorization.

22564712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105 (or 2101 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 22564712 is about 4750.2328363987. The cubic root of 22564712 is about 282.5811999333.

The spelling of 22564712 in words is "twenty-two million, five hundred sixty-four thousand, seven hundred twelve".