22685852 has 12 divisors (see below), whose sum is σ = 45371760. Its totient is φ = 9722496.

The previous prime is 22685821. The next prime is 22685857. The reversal of 22685852 is 25858622.

It is a happy number.

22685852 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22685857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405077 + ... + 405132.

It is an arithmetic number, because the mean of its divisors is an integer number (3780980).

Almost surely, 2^22685852 is an apocalyptic number.

It is an amenable number.

22685852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22685852 is a wasteful number, since it uses less digits than its factorization.

22685852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810220 (or 810218 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 22685852 is about 4762.9667225375. The cubic root of 22685852 is about 283.0859823560.

The spelling of 22685852 in words is "twenty-two million, six hundred eighty-five thousand, eight hundred fifty-two".