22868144 has 20 divisors (see below), whose sum is σ = 47715696. Its totient is φ = 10554432.

The previous prime is 22868101. The next prime is 22868159. The reversal of 22868144 is 44186822.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54764 + ... + 55179.

Almost surely, 2^22868144 is an apocalyptic number.

It is an amenable number.

22868144 is an abundant number, since it is smaller than the sum of its proper divisors (24847552).

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

22868144 is a wasteful number, since it uses less digits than its factorization.

22868144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109964 (or 109958 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 22868144 is about 4782.0648259931. The cubic root of 22868144 is about 283.8422055392.

The spelling of 22868144 in words is "twenty-two million, eight hundred sixty-eight thousand, one hundred forty-four".