22290892 has 12 divisors (see below), whose sum is σ = 42009856. Its totient is φ = 10288080.

The previous prime is 22290883. The next prime is 22290901. The reversal of 22290892 is 29809222.

It is an interprime number because it is at equal distance from previous prime (22290883) and next prime (22290901).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214284 + ... + 214387.

Almost surely, 2^22290892 is an apocalyptic number.

It is an amenable number.

22290892 is a deficient number, since it is larger than the sum of its proper divisors (19718964).

22290892 is a wasteful number, since it uses less digits than its factorization.

22290892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428688 (or 428686 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 22290892 is about 4721.3231196350. The cubic root of 22290892 is about 281.4335156538.

The spelling of 22290892 in words is "twenty-two million, two hundred ninety thousand, eight hundred ninety-two".