22972002 has 48 divisors (see below), whose sum is σ = 49472640. Its totient is φ = 7099456.

The previous prime is 22971997. The next prime is 22972003. The reversal of 22972002 is 20027922.

It is not an unprimeable number, because it can be changed into a prime (22972003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433408 + ... + 433460.

It is an arithmetic number, because the mean of its divisors is an integer number (1030680).

Almost surely, 2^22972002 is an apocalyptic number.

22972002 is an abundant number, since it is smaller than the sum of its proper divisors (26500638).

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

22972002 is a wasteful number, since it uses less digits than its factorization.

22972002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 22972002 is about 4792.9116411634. The cubic root of 22972002 is about 284.2712560752.

Adding to 22972002 its reverse (20027922), we get a palindrome (42999924).

The spelling of 22972002 in words is "twenty-two million, nine hundred seventy-two thousand, two".