22331852 has 12 divisors (see below), whose sum is σ = 39145680. Its totient is φ = 11147376.

The previous prime is 22331849. The next prime is 22331857. The reversal of 22331852 is 25813322.

It is a super-2 number, since 2×22331852² = 997423227499808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331857) 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, 1727 + ... + 6902.

It is an arithmetic number, because the mean of its divisors is an integer number (3262140).

Almost surely, 2^22331852 is an apocalyptic number.

It is an amenable number.

22331852 is a deficient number, since it is larger than the sum of its proper divisors (16813828).

22331852 is a wasteful number, since it uses less digits than its factorization.

22331852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280 (or 9278 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 22331852 is about 4725.6588958578. The cubic root of 22331852 is about 281.6057902509.

The spelling of 22331852 in words is "twenty-two million, three hundred thirty-one thousand, eight hundred fifty-two".