22997408 has 24 divisors (see below), whose sum is σ = 51744672. Its totient is φ = 9855936.

The previous prime is 22997393. The next prime is 22997417. The reversal of 22997408 is 80479922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51110 + ... + 51557.

It is an arithmetic number, because the mean of its divisors is an integer number (2156028).

Almost surely, 2^22997408 is an apocalyptic number.

22997408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22997408 is an abundant number, since it is smaller than the sum of its proper divisors (28747264).

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

22997408 is a wasteful number, since it uses less digits than its factorization.

22997408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102684 (or 102676 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 22997408 is about 4795.5612810181. The cubic root of 22997408 is about 284.3760145357.

The spelling of 22997408 in words is "twenty-two million, nine hundred ninety-seven thousand, four hundred eight".