22972830 has 32 divisors (see below), whose sum is σ = 56073600. Its totient is φ = 6021792.

The previous prime is 22972777. The next prime is 22972841. The reversal of 22972830 is 3827922.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22972791 and 22972800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4720 + ... + 8259.

It is an arithmetic number, because the mean of its divisors is an integer number (1752300).

Almost surely, 2^22972830 is an apocalyptic number.

22972830 is an abundant number, since it is smaller than the sum of its proper divisors (33100770).

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

22972830 is a wasteful number, since it uses less digits than its factorization.

22972830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13048.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 22972830 is about 4792.9980179424. The cubic root of 22972830 is about 284.2746714468.

The spelling of 22972830 in words is "twenty-two million, nine hundred seventy-two thousand, eight hundred thirty".