22997930 has 16 divisors (see below), whose sum is σ = 43196544. Its totient is φ = 8799120.

The previous prime is 22997911. The next prime is 22997941. The reversal of 22997930 is 3979922.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49766 + ... + 50225.

It is an arithmetic number, because the mean of its divisors is an integer number (2699784).

Almost surely, 2^22997930 is an apocalyptic number.

22997930 is a deficient number, since it is larger than the sum of its proper divisors (20198614).

22997930 is a wasteful number, since it uses less digits than its factorization.

22997930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100021.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 22997930 is about 4795.6157060382. The cubic root of 22997930 is about 284.3781661283.

The spelling of 22997930 in words is "twenty-two million, nine hundred ninety-seven thousand, nine hundred thirty".