22044232 has 32 divisors (see below), whose sum is σ = 47779200. Its totient is φ = 9339264.

The previous prime is 22044221. The next prime is 22044233. The reversal of 22044232 is 23244022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2773 + ... + 7195.

It is an arithmetic number, because the mean of its divisors is an integer number (1493100).

Almost surely, 2^22044232 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 22044232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23889600).

22044232 is an abundant number, since it is smaller than the sum of its proper divisors (25734968).

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

22044232 is a wasteful number, since it uses less digits than its factorization.

22044232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525 (or 4521 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22044232 is about 4695.1285392415. The cubic root of 22044232 is about 280.3915949354.

Adding to 22044232 its reverse (23244022), we get a palindrome (45288254).

The spelling of 22044232 in words is "twenty-two million, forty-four thousand, two hundred thirty-two".