22971372 has 24 divisors (see below), whose sum is σ = 55329792. Its totient is φ = 7410000.

The previous prime is 22971371. The next prime is 22971373. The reversal of 22971372 is 27317922.

It is an interprime number because it is at equal distance from previous prime (22971371) and next prime (22971373).

It is not an unprimeable number, because it can be changed into a prime (22971371) 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, 30504 + ... + 31247.

It is an arithmetic number, because the mean of its divisors is an integer number (2305408).

Almost surely, 2^22971372 is an apocalyptic number.

It is an amenable number.

22971372 is an abundant number, since it is smaller than the sum of its proper divisors (32358420).

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

22971372 is a wasteful number, since it uses less digits than its factorization.

22971372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61789 (or 61787 counting only the distinct ones).

The product of its digits is 10584, while the sum is 33.

The square root of 22971372 is about 4792.8459186583. The cubic root of 22971372 is about 284.2686573679.

The spelling of 22971372 in words is "twenty-two million, nine hundred seventy-one thousand, three hundred seventy-two".