22931148 has 24 divisors (see below), whose sum is σ = 53669952. Its totient is φ = 7620304.

The previous prime is 22931143. The next prime is 22931149. The reversal of 22931148 is 84113922.

It is not an unprimeable number, because it can be changed into a prime (22931143) 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, 1411 + ... + 6917.

It is an arithmetic number, because the mean of its divisors is an integer number (2236248).

Almost surely, 2^22931148 is an apocalyptic number.

It is an amenable number.

22931148 is an abundant number, since it is smaller than the sum of its proper divisors (30738804).

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

22931148 is a wasteful number, since it uses less digits than its factorization.

22931148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861 (or 5859 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 22931148 is about 4788.6478258481. The cubic root of 22931148 is about 284.1026376361.

The spelling of 22931148 in words is "twenty-two million, nine hundred thirty-one thousand, one hundred forty-eight".