22904244 has 36 divisors (see below), whose sum is σ = 63161280. Its totient is φ = 6940560.

The previous prime is 22904243. The next prime is 22904249. The reversal of 22904244 is 44240922.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22904243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28524 + ... + 29315.

It is an arithmetic number, because the mean of its divisors is an integer number (1754480).

Almost surely, 2^22904244 is an apocalyptic number.

It is an amenable number.

22904244 is an abundant number, since it is smaller than the sum of its proper divisors (40257036).

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

22904244 is a wasteful number, since it uses less digits than its factorization.

22904244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57860 (or 57855 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 22904244 is about 4785.8378576797. The cubic root of 22904244 is about 283.9914862223.

The spelling of 22904244 in words is "twenty-two million, nine hundred four thousand, two hundred forty-four".