22730680 has 32 divisors (see below), whose sum is σ = 58451040. Its totient is φ = 7793280.

The previous prime is 22730677. The next prime is 22730711. The reversal of 22730680 is 8603722.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 40311 + ... + 40870.

It is an arithmetic number, because the mean of its divisors is an integer number (1826595).

Almost surely, 2^22730680 is an apocalyptic number.

22730680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22730680 is an abundant number, since it is smaller than the sum of its proper divisors (35720360).

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

22730680 is a wasteful number, since it uses less digits than its factorization.

22730680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81199 (or 81195 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 22730680 is about 4767.6702906136. The cubic root of 22730680 is about 283.2723221188.

The spelling of 22730680 in words is "twenty-two million, seven hundred thirty thousand, six hundred eighty".