22921092 has 18 divisors (see below), whose sum is σ = 57939518. Its totient is φ = 7640352.

The previous prime is 22921081. The next prime is 22921103. The reversal of 22921092 is 29012922.

It is an interprime number because it is at equal distance from previous prime (22921081) and next prime (22921103).

It can be written as a sum of positive squares in only one way, i.e., 19766916 + 3154176 = 4446^2 + 1776^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 318313 + ... + 318384.

Almost surely, 2^22921092 is an apocalyptic number.

It is an amenable number.

22921092 is an abundant number, since it is smaller than the sum of its proper divisors (35018426).

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

22921092 is a wasteful number, since it uses less digits than its factorization.

22921092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636707 (or 636702 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 22921092 is about 4787.5977274621. The cubic root of 22921092 is about 284.0611023723.

It can be divided in two parts, 229 and 21092, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 22921092 in words is "twenty-two million, nine hundred twenty-one thousand, ninety-two".