22852188 has 36 divisors (see below), whose sum is σ = 57945888. Its totient is φ = 7593600.

The previous prime is 22852187. The next prime is 22852201. The reversal of 22852188 is 88125822.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22852187) 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 11 ways as a sum of consecutive naturals, for example, 13645 + ... + 15227.

It is an arithmetic number, because the mean of its divisors is an integer number (1609608).

Almost surely, 2^22852188 is an apocalyptic number.

It is an amenable number.

22852188 is an abundant number, since it is smaller than the sum of its proper divisors (35093700).

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

22852188 is a wasteful number, since it uses less digits than its factorization.

22852188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1989 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 22852188 is about 4780.3962178882. The cubic root of 22852188 is about 283.7761742368.

The spelling of 22852188 in words is "twenty-two million, eight hundred fifty-two thousand, one hundred eighty-eight".