22734180 has 72 divisors (see below), whose sum is σ = 78816192. Its totient is φ = 5196096.

The previous prime is 22734167. The next prime is 22734193. The reversal of 22734180 is 8143722.

It is an interprime number because it is at equal distance from previous prime (22734167) and next prime (22734193).

It is a nialpdrome in base 12.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7762 + ... + 10281.

Almost surely, 2^22734180 is an apocalyptic number.

22734180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22734180 is an abundant number, since it is smaller than the sum of its proper divisors (56082012).

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

22734180 is a wasteful number, since it uses less digits than its factorization.

22734180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18065 (or 18060 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 22734180 is about 4768.0373320686. The cubic root of 22734180 is about 283.2868605055.

The spelling of 22734180 in words is "twenty-two million, seven hundred thirty-four thousand, one hundred eighty".