22887216 has 60 divisors (see below), whose sum is σ = 69880200. Its totient is φ = 6935040.

The previous prime is 22887211. The next prime is 22887217. The reversal of 22887216 is 61278822.

22887216 = T₁₇₀ + T₁₇₁ + ... + T₅₂₁.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22887211) 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 in 11 ways as a sum of consecutive naturals, for example, 5641 + ... + 8808.

It is an arithmetic number, because the mean of its divisors is an integer number (1164670).

Almost surely, 2^22887216 is an apocalyptic number.

It is an amenable number.

22887216 is an abundant number, since it is smaller than the sum of its proper divisors (46992984).

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

22887216 is a wasteful number, since it uses less digits than its factorization.

22887216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14474 (or 14465 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 22887216 is about 4784.0585280701. The cubic root of 22887216 is about 283.9210916133.

The spelling of 22887216 in words is "twenty-two million, eight hundred eighty-seven thousand, two hundred sixteen".