22628872 has 32 divisors (see below), whose sum is σ = 50601600. Its totient is φ = 9275904.

The previous prime is 22628863. The next prime is 22628897. The reversal of 22628872 is 27882622.

It is a congruent 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, 7497 + ... + 10072.

It is an arithmetic number, because the mean of its divisors is an integer number (1581300).

Almost surely, 2^22628872 is an apocalyptic number.

It is an amenable number.

22628872 is an abundant number, since it is smaller than the sum of its proper divisors (27972728).

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

22628872 is a wasteful number, since it uses less digits than its factorization.

22628872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17605 (or 17601 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 22628872 is about 4756.9813958013. The cubic root of 22628872 is about 282.8487748531.

The spelling of 22628872 in words is "twenty-two million, six hundred twenty-eight thousand, eight hundred seventy-two".