22185852 has 24 divisors (see below), whose sum is σ = 55749456. Its totient is φ = 6826368.

The previous prime is 22185851. The next prime is 22185907. The reversal of 22185852 is 25858122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22185851) 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 7 ways as a sum of consecutive naturals, for example, 70953 + ... + 71264.

It is an arithmetic number, because the mean of its divisors is an integer number (2322894).

Almost surely, 2^22185852 is an apocalyptic number.

It is an amenable number.

22185852 is an abundant number, since it is smaller than the sum of its proper divisors (33563604).

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

22185852 is a wasteful number, since it uses less digits than its factorization.

22185852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142237 (or 142235 counting only the distinct ones).

The product of its digits is 12800, while the sum is 33.

The square root of 22185852 is about 4710.1859835892. The cubic root of 22185852 is about 280.9907588472.

The spelling of 22185852 in words is "twenty-two million, one hundred eighty-five thousand, eight hundred fifty-two".