22997004 has 24 divisors (see below), whose sum is σ = 53740848. Its totient is φ = 7654080.

The previous prime is 22997003. The next prime is 22997021. The reversal of 22997004 is 40079922.

It is not an unprimeable number, because it can be changed into a prime (22997003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11314 + ... + 13190.

It is an arithmetic number, because the mean of its divisors is an integer number (2239202).

Almost surely, 2^22997004 is an apocalyptic number.

It is an amenable number.

22997004 is an abundant number, since it is smaller than the sum of its proper divisors (30743844).

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

22997004 is a wasteful number, since it uses less digits than its factorization.

22997004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 22997004 is about 4795.5191585479. The cubic root of 22997004 is about 284.3743492961.

The spelling of 22997004 in words is "twenty-two million, nine hundred ninety-seven thousand, four".