22890680 has 32 divisors (see below), whose sum is σ = 51751440. Its totient is φ = 9112320.

The previous prime is 22890671. The next prime is 22890691. The reversal of 22890680 is 8609822.

It is a self number, because there is not a number n which added to its sum of digits gives 22890680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7820 + ... + 10340.

Almost surely, 2^22890680 is an apocalyptic number.

22890680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22890680 is an abundant number, since it is smaller than the sum of its proper divisors (28860760).

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

22890680 is a wasteful number, since it uses less digits than its factorization.

22890680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 22890680 is about 4784.4205500771. The cubic root of 22890680 is about 283.9354147919.

The spelling of 22890680 in words is "twenty-two million, eight hundred ninety thousand, six hundred eighty".