22887132 has 24 divisors (see below), whose sum is σ = 53484816. Its totient is φ = 7617408.

The previous prime is 22887131. The next prime is 22887173. The reversal of 22887132 is 23178822.

It is a super-2 number, since 2×22887132² = 1047641622370848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22887093 and 22887102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22887131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11008 + ... + 12920.

It is an arithmetic number, because the mean of its divisors is an integer number (2228534).

Almost surely, 2^22887132 is an apocalyptic number.

It is an amenable number.

22887132 is an abundant number, since it is smaller than the sum of its proper divisors (30597684).

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

22887132 is a wasteful number, since it uses less digits than its factorization.

22887132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917 (or 2915 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 22887132 is about 4784.0497489052. The cubic root of 22887132 is about 283.9207442665.

The spelling of 22887132 in words is "twenty-two million, eight hundred eighty-seven thousand, one hundred thirty-two".