22331132 has 24 divisors (see below), whose sum is σ = 41613264. Its totient is φ = 10449152.

The previous prime is 22331053. The next prime is 22331159. The reversal of 22331132 is 23113322.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 22331132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12563 + ... + 14229.

It is an arithmetic number, because the mean of its divisors is an integer number (1733886).

Almost surely, 2^22331132 is an apocalyptic number.

It is an amenable number.

22331132 is a deficient number, since it is larger than the sum of its proper divisors (19282132).

22331132 is a wasteful number, since it uses less digits than its factorization.

22331132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1883 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 22331132 is about 4725.5827153908. The cubic root of 22331132 is about 281.6027638062.

Adding to 22331132 its reverse (23113322), we get a palindrome (45444454).

The spelling of 22331132 in words is "twenty-two million, three hundred thirty-one thousand, one hundred thirty-two".