22065180 has 48 divisors (see below), whose sum is σ = 63780864. Its totient is φ = 5693760.

The previous prime is 22065163. The next prime is 22065193. The reversal of 22065180 is 8156022.

It is a self number, because there is not a number n which added to its sum of digits gives 22065180.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4072 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (1328768).

Almost surely, 2^22065180 is an apocalyptic number.

22065180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22065180 is an abundant number, since it is smaller than the sum of its proper divisors (41715684).

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

22065180 is a wasteful number, since it uses less digits than its factorization.

22065180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11906 (or 11904 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 22065180 is about 4697.3588323653. The cubic root of 22065180 is about 280.4803828414.

The spelling of 22065180 in words is "twenty-two million, sixty-five thousand, one hundred eighty".