22461180 has 48 divisors (see below), whose sum is σ = 71877120. Its totient is φ = 5133888.

The previous prime is 22461169. The next prime is 22461191. The reversal of 22461180 is 8116422.

It is an interprime number because it is at equal distance from previous prime (22461169) and next prime (22461191).

It is a self number, because there is not a number n which added to its sum of digits gives 22461180.

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, 26320 + ... + 27159.

It is an arithmetic number, because the mean of its divisors is an integer number (1497440).

Almost surely, 2^22461180 is an apocalyptic number.

22461180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22461180 is an abundant number, since it is smaller than the sum of its proper divisors (49415940).

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

22461180 is a wasteful number, since it uses less digits than its factorization.

22461180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53498 (or 53496 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 22461180 is about 4739.3227364255. The cubic root of 22461180 is about 282.1483551168.

The spelling of 22461180 in words is "twenty-two million, four hundred sixty-one thousand, one hundred eighty".