22403968 has 32 divisors (see below), whose sum is σ = 44847360. Its totient is φ = 11148288.

The previous prime is 22403951. The next prime is 22403971. The reversal of 22403968 is 86930422.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48796 + ... + 49252.

It is an arithmetic number, because the mean of its divisors is an integer number (1401480).

Almost surely, 2^22403968 is an apocalyptic number.

It is an amenable number.

22403968 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

22403968 is an equidigital number, since it uses as much as digits as its factorization.

22403968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 22403968 is about 4733.2830044273. The cubic root of 22403968 is about 281.9085933483.

The spelling of 22403968 in words is "twenty-two million, four hundred three thousand, nine hundred sixty-eight".