22972516 has 24 divisors (see below), whose sum is σ = 46578560. Its totient is φ = 9709632.

The previous prime is 22972511. The next prime is 22972517. The reversal of 22972516 is 61527922.

It is not an unprimeable number, because it can be changed into a prime (22972511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3576 + ... + 7663.

Almost surely, 2^22972516 is an apocalyptic number.

It is an amenable number.

22972516 is an abundant number, since it is smaller than the sum of its proper divisors (23606044).

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

22972516 is a wasteful number, since it uses less digits than its factorization.

22972516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11323 (or 11321 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 22972516 is about 4792.9652617143. The cubic root of 22972516 is about 284.2733762552.

The spelling of 22972516 in words is "twenty-two million, nine hundred seventy-two thousand, five hundred sixteen".