22564850 has 48 divisors (see below), whose sum is σ = 52335936. Its totient is φ = 7032000.

The previous prime is 22564847. The next prime is 22564877. The reversal of 22564850 is 5846522.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 920 + ... + 6780.

It is an arithmetic number, because the mean of its divisors is an integer number (1090332).

Almost surely, 2^22564850 is an apocalyptic number.

22564850 is an abundant number, since it is smaller than the sum of its proper divisors (29771086).

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

22564850 is a wasteful number, since it uses less digits than its factorization.

22564850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891 (or 5886 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 22564850 is about 4750.2473619802. The cubic root of 22564850 is about 282.5817759969.

The spelling of 22564850 in words is "twenty-two million, five hundred sixty-four thousand, eight hundred fifty".