22095988 has 12 divisors (see below), whose sum is σ = 40942692. Its totient is φ = 10398080.

The previous prime is 22095979. The next prime is 22095989. The reversal of 22095988 is 88959022.

It can be written as a sum of positive squares in 2 ways, for example, as 8168164 + 13927824 = 2858^2 + 3732^2 .

It is a super-2 number, since 2×22095988² = 976465371392288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22095989) 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, 162403 + ... + 162538.

It is an arithmetic number, because the mean of its divisors is an integer number (3411891).

Almost surely, 2^22095988 is an apocalyptic number.

It is an amenable number.

22095988 is a deficient number, since it is larger than the sum of its proper divisors (18846704).

22095988 is a wasteful number, since it uses less digits than its factorization.

22095988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324962 (or 324960 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 22095988 is about 4700.6369781126. The cubic root of 22095988 is about 280.6108602291.

The spelling of 22095988 in words is "twenty-two million, ninety-five thousand, nine hundred eighty-eight".