22887 has 6 divisors (see below), whose sum is σ = 33072. Its totient is φ = 15252.

The previous prime is 22877. The next prime is 22901. The reversal of 22887 is 78822.

It is not a de Polignac number, because 22887 - 2⁴ = 22871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22887.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 22887.

It is not an unprimeable number, because it can be changed into a prime (22807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1263 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (5512).

2²²⁸⁸⁷ is an apocalyptic number.

22887 is a deficient number, since it is larger than the sum of its proper divisors (10185).

22887 is a wasteful number, since it uses less digits than its factorization.

22887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2546 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 22887 is about 151.2845001975. The cubic root of 22887 is about 28.3920198434.

It can be divided in two parts, 22 and 887, that added together give a palindrome (909).

The spelling of 22887 in words is "twenty-two thousand, eight hundred eighty-seven".