22668268 has 12 divisors (see below), whose sum is σ = 45336592. Its totient is φ = 9714960.

The previous prime is 22668263. The next prime is 22668277. The reversal of 22668268 is 86286622.

22668268 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22668268.

It is not an unprimeable number, because it can be changed into a prime (22668263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404763 + ... + 404818.

Almost surely, 2^22668268 is an apocalyptic number.

22668268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22668268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22668268 is a wasteful number, since it uses less digits than its factorization.

22668268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809592 (or 809590 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 22668268 is about 4761.1204563632. The cubic root of 22668268 is about 283.0128226532.

The spelling of 22668268 in words is "twenty-two million, six hundred sixty-eight thousand, two hundred sixty-eight".