22635980 has 12 divisors (see below), whose sum is σ = 47535600. Its totient is φ = 9054384.

The previous prime is 22635967. The next prime is 22635989. The reversal of 22635980 is 8953622.

It is a self number, because there is not a number n which added to its sum of digits gives 22635980.

It is not an unprimeable number, because it can be changed into a prime (22635989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565880 + ... + 565919.

It is an arithmetic number, because the mean of its divisors is an integer number (3961300).

Almost surely, 2^22635980 is an apocalyptic number.

22635980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22635980 is an abundant number, since it is smaller than the sum of its proper divisors (24899620).

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

22635980 is a wasteful number, since it uses less digits than its factorization.

22635980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131808 (or 1131806 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 22635980 is about 4757.7284495860. The cubic root of 22635980 is about 282.8783871499.

The spelling of 22635980 in words is "twenty-two million, six hundred thirty-five thousand, nine hundred eighty".