22712268 has 24 divisors (see below), whose sum is σ = 53267200. Its totient is φ = 7531920.

The previous prime is 22712267. The next prime is 22712269. The reversal of 22712268 is 86221722.

It is an interprime number because it is at equal distance from previous prime (22712267) and next prime (22712269).

It is not an unprimeable number, because it can be changed into a prime (22712267) 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, 2368 + ... + 7143.

Almost surely, 2^22712268 is an apocalyptic number.

It is an amenable number.

22712268 is an abundant number, since it is smaller than the sum of its proper divisors (30554932).

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

22712268 is a wasteful number, since it uses less digits than its factorization.

22712268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717 (or 9715 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 22712268 is about 4765.7389773256. The cubic root of 22712268 is about 283.1958173119.

The spelling of 22712268 in words is "twenty-two million, seven hundred twelve thousand, two hundred sixty-eight".