22863232 has 128 divisors (see below), whose sum is σ = 58752000. Its totient is φ = 8626176.

The previous prime is 22863221. The next prime is 22863233. The reversal of 22863232 is 23236822.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 22863232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22863233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289369 + ... + 289447.

It is an arithmetic number, because the mean of its divisors is an integer number (459000).

Almost surely, 2^22863232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22863232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29376000).

22863232 is an abundant number, since it is smaller than the sum of its proper divisors (35888768).

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

22863232 is a wasteful number, since it uses less digits than its factorization.

22863232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 124 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 22863232 is about 4781.5512127342. The cubic root of 22863232 is about 283.8218813019.

The spelling of 22863232 in words is "twenty-two million, eight hundred sixty-three thousand, two hundred thirty-two".