22576872 has 16 divisors (see below), whose sum is σ = 56442240. Its totient is φ = 7525616.

The previous prime is 22576871. The next prime is 22576903. The reversal of 22576872 is 27867522.

It is a self number, because there is not a number n which added to its sum of digits gives 22576872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22576871) 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, 470328 + ... + 470375.

It is an arithmetic number, because the mean of its divisors is an integer number (3527640).

Almost surely, 2^22576872 is an apocalyptic number.

It is an amenable number.

22576872 is an abundant number, since it is smaller than the sum of its proper divisors (33865368).

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

22576872 is a wasteful number, since it uses less digits than its factorization.

22576872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940712 (or 940708 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 22576872 is about 4751.5126012671. The cubic root of 22576872 is about 282.6319513060.

The spelling of 22576872 in words is "twenty-two million, five hundred seventy-six thousand, eight hundred seventy-two".