22887165 has 24 divisors (see below), whose sum is σ = 42599520. Its totient is φ = 10462368.

The previous prime is 22887131. The next prime is 22887173. The reversal of 22887165 is 56178822.

It is not a de Polignac number, because 22887165 - 2⁶ = 22887101 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14835 + ... + 16304.

It is an arithmetic number, because the mean of its divisors is an integer number (1774980).

Almost surely, 2^22887165 is an apocalyptic number.

It is an amenable number.

22887165 is a deficient number, since it is larger than the sum of its proper divisors (19712355).

22887165 is a wasteful number, since it uses less digits than its factorization.

22887165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31161 (or 31154 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 22887165 is about 4784.0531978648. The cubic root of 22887165 is about 283.9208807243.

It can be divided in two parts, 2288 and 7165, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 22887165 in words is "twenty-two million, eight hundred eighty-seven thousand, one hundred sixty-five".