22238832 has 120 divisors (see below), whose sum is σ = 72300928. Its totient is φ = 5765760.

The previous prime is 22238819. The next prime is 22238891. The reversal of 22238832 is 23883222.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22238832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40383 + ... + 40929.

Almost surely, 2^22238832 is an apocalyptic number.

22238832 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 22238832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36150464).

22238832 is an abundant number, since it is smaller than the sum of its proper divisors (50062096).

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

22238832 is a wasteful number, since it uses less digits than its factorization.

22238832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 570 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 22238832 is about 4715.8066118110. The cubic root of 22238832 is about 281.2142504684.

The spelling of 22238832 in words is "twenty-two million, two hundred thirty-eight thousand, eight hundred thirty-two".