22917954 has 16 divisors (see below), whose sum is σ = 45960192. Its totient is φ = 7618608.

The previous prime is 22917943. The next prime is 22917991. The reversal of 22917954 is 45971922.

It is a super-2 number, since 2×22917954² = 1050465231092232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2689 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (2872512).

Almost surely, 2^22917954 is an apocalyptic number.

22917954 is an abundant number, since it is smaller than the sum of its proper divisors (23042238).

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

22917954 is a wasteful number, since it uses less digits than its factorization.

22917954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10361.

The product of its digits is 45360, while the sum is 39.

The square root of 22917954 is about 4787.2699944749. The cubic root of 22917954 is about 284.0481387023.

It can be divided in two parts, 22917 and 954, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 22917954 in words is "twenty-two million, nine hundred seventeen thousand, nine hundred fifty-four".