22804872 has 32 divisors (see below), whose sum is σ = 57281280. Its totient is φ = 7565760.

The previous prime is 22804861. The next prime is 22804877. The reversal of 22804872 is 27840822.

It is not an unprimeable number, because it can be changed into a prime (22804877) 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, 3222 + ... + 7482.

It is an arithmetic number, because the mean of its divisors is an integer number (1790040).

Almost surely, 2^22804872 is an apocalyptic number.

It is an amenable number.

22804872 is an abundant number, since it is smaller than the sum of its proper divisors (34476408).

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

22804872 is a wasteful number, since it uses less digits than its factorization.

22804872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493 (or 4489 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 22804872 is about 4775.4446913350. Note that the first 3 decimals coincide. The cubic root of 22804872 is about 283.5801837958.

The spelling of 22804872 in words is "twenty-two million, eight hundred four thousand, eight hundred seventy-two".