22766580 has 36 divisors (see below), whose sum is σ = 69059172. Its totient is φ = 6071040.

The previous prime is 22766567. The next prime is 22766591. The reversal of 22766580 is 8566722.

22766580 is a `hidden beast` number, since 2 + 2 + 76 + 6 + 580 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6022116 + 16744464 = 2454^2 + 4092^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63061 + ... + 63420.

Almost surely, 2^22766580 is an apocalyptic number.

22766580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22766580 is an abundant number, since it is smaller than the sum of its proper divisors (46292592).

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

22766580 is a wasteful number, since it uses less digits than its factorization.

22766580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126496 (or 126491 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 22766580 is about 4771.4337467893. The cubic root of 22766580 is about 283.4213736400.

The spelling of 22766580 in words is "twenty-two million, seven hundred sixty-six thousand, five hundred eighty".