22668868 has 6 divisors (see below), whose sum is σ = 39670526. Its totient is φ = 11334432.

The previous prime is 22668853. The next prime is 22668887. The reversal of 22668868 is 86886622.

It can be written as a sum of positive squares in only one way, i.e., 21233664 + 1435204 = 4608^2 + 1198^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833605 + ... + 2833612.

Almost surely, 2^22668868 is an apocalyptic number.

It is an amenable number.

22668868 is a deficient number, since it is larger than the sum of its proper divisors (17001658).

22668868 is a wasteful number, since it uses less digits than its factorization.

22668868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667221 (or 5667219 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 22668868 is about 4761.1834663243. The cubic root of 22668868 is about 283.0153196267.

The spelling of 22668868 in words is "twenty-two million, six hundred sixty-eight thousand, eight hundred sixty-eight".