22858180 has 12 divisors (see below), whose sum is σ = 48002220. Its totient is φ = 9143264.

The previous prime is 22858163. The next prime is 22858181. The reversal of 22858180 is 8185822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10705984 + 12152196 = 3272^2 + 3486^2 .

It is not an unprimeable number, because it can be changed into a prime (22858181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571435 + ... + 571474.

It is an arithmetic number, because the mean of its divisors is an integer number (4000185).

Almost surely, 2^22858180 is an apocalyptic number.

22858180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22858180 is an abundant number, since it is smaller than the sum of its proper divisors (25144040).

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

22858180 is a wasteful number, since it uses less digits than its factorization.

22858180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142918 (or 1142916 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 22858180 is about 4781.0229031035. The cubic root of 22858180 is about 283.8009747540.

The spelling of 22858180 in words is "twenty-two million, eight hundred fifty-eight thousand, one hundred eighty".