22972998 has 16 divisors (see below), whose sum is σ = 47943936. Its totient is φ = 7324680.

The previous prime is 22972991. The next prime is 22973003. The reversal of 22972998 is 89927922.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22972991) 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, 83098 + ... + 83373.

It is an arithmetic number, because the mean of its divisors is an integer number (2996496).

Almost surely, 2^22972998 is an apocalyptic number.

22972998 is an abundant number, since it is smaller than the sum of its proper divisors (24970938).

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

22972998 is a wasteful number, since it uses less digits than its factorization.

22972998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166499.

The product of its digits is 326592, while the sum is 48.

The square root of 22972998 is about 4793.0155434757. The cubic root of 22972998 is about 284.2753644108.

The spelling of 22972998 in words is "twenty-two million, nine hundred seventy-two thousand, nine hundred ninety-eight".