22989032 has 64 divisors (see below), whose sum is σ = 50595840. Its totient is φ = 9757440.

The previous prime is 22989023. The next prime is 22989067. The reversal of 22989032 is 23098922.

It is a junction number, because it is equal to n+sod(n) for n = 22988983 and 22989001.

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 15 ways as a sum of consecutive naturals, for example, 180953 + ... + 181079.

It is an arithmetic number, because the mean of its divisors is an integer number (790560).

Almost surely, 2^22989032 is an apocalyptic number.

22989032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22989032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25297920).

22989032 is an abundant number, since it is smaller than the sum of its proper divisors (27606808).

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

22989032 is a wasteful number, since it uses less digits than its factorization.

22989032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 22989032 is about 4794.6878939093. The cubic root of 22989032 is about 284.3414856773.

It can be divided in two parts, 229890 and 32, that added together give a palindrome (229922).

The spelling of 22989032 in words is "twenty-two million, nine hundred eighty-nine thousand, thirty-two".