22668128 has 24 divisors (see below), whose sum is σ = 51003792. Its totient is φ = 9714816.

The previous prime is 22668119. The next prime is 22668143. The reversal of 22668128 is 82186622.

It is a congruent number.

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, 50375 + ... + 50822.

It is an arithmetic number, because the mean of its divisors is an integer number (2125158).

Almost surely, 2^22668128 is an apocalyptic number.

22668128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22668128 is an abundant number, since it is smaller than the sum of its proper divisors (28335664).

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

22668128 is a wasteful number, since it uses less digits than its factorization.

22668128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101214 (or 101206 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 22668128 is about 4761.1057539189. The cubic root of 22668128 is about 283.0122400197.

The spelling of 22668128 in words is "twenty-two million, six hundred sixty-eight thousand, one hundred twenty-eight".