22404960 has 72 divisors (see below), whose sum is σ = 76461840. Its totient is φ = 5974272.

The previous prime is 22404919. The next prime is 22404979. The reversal of 22404960 is 6940422.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6340 + ... + 9219.

It is an arithmetic number, because the mean of its divisors is an integer number (1061970).

Almost surely, 2^22404960 is an apocalyptic number.

22404960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22404960 is an abundant number, since it is smaller than the sum of its proper divisors (54056880).

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

22404960 is a wasteful number, since it uses less digits than its factorization.

22404960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15580 (or 15569 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 22404960 is about 4733.3877931139. The cubic root of 22404960 is about 281.9127540576.

The spelling of 22404960 in words is "twenty-two million, four hundred four thousand, nine hundred sixty".