22900332 has 96 divisors (see below), whose sum is σ = 66959872. Its totient is φ = 5930496.

The previous prime is 22900331. The next prime is 22900337. The reversal of 22900332 is 23300922.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22900299 and 22900308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22900331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73008 + ... + 73320.

Almost surely, 2^22900332 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 22900332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33479936).

22900332 is an abundant number, since it is smaller than the sum of its proper divisors (44059540).

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

22900332 is a wasteful number, since it uses less digits than its factorization.

22900332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 22900332 is about 4785.4291343619. The cubic root of 22900332 is about 283.9753169053.

It can be divided in two parts, 22900 and 332, that added together give a palindrome (23232).

The spelling of 22900332 in words is "twenty-two million, nine hundred thousand, three hundred thirty-two".