22887136 has 12 divisors (see below), whose sum is σ = 45059112. Its totient is φ = 11443552.

The previous prime is 22887131. The next prime is 22887173. The reversal of 22887136 is 63178822.

It is a junction number, because it is equal to n+sod(n) for n = 22887095 and 22887104.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357580 + ... + 357643.

It is an arithmetic number, because the mean of its divisors is an integer number (3754926).

Almost surely, 2^22887136 is an apocalyptic number.

It is an amenable number.

22887136 is a deficient number, since it is larger than the sum of its proper divisors (22171976).

22887136 is an equidigital number, since it uses as much as digits as its factorization.

22887136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715233 (or 715225 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 22887136 is about 4784.0501669610. The cubic root of 22887136 is about 283.9207608069.

The spelling of 22887136 in words is "twenty-two million, eight hundred eighty-seven thousand, one hundred thirty-six".