22989132 has 18 divisors (see below), whose sum is σ = 58111508. Its totient is φ = 7663032.

The previous prime is 22989119. The next prime is 22989137. The reversal of 22989132 is 23198922.

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

It is a super-2 number, since 2×22989132² = 1057000380226848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 638587 = 22989132 / (2 + 2 + 9 + 8 + 9 + 1 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (22989137) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 319258 + ... + 319329.

Almost surely, 2^22989132 is an apocalyptic number.

It is an amenable number.

22989132 is an abundant number, since it is smaller than the sum of its proper divisors (35122376).

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

22989132 is a wasteful number, since it uses less digits than its factorization.

22989132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638597 (or 638592 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 22989132 is about 4794.6983221054. The cubic root of 22989132 is about 284.3418979624.

The spelling of 22989132 in words is "twenty-two million, nine hundred eighty-nine thousand, one hundred thirty-two".