22168668 has 24 divisors (see below), whose sum is σ = 54449920. Its totient is φ = 7000560.

The previous prime is 22168651. The next prime is 22168669. The reversal of 22168668 is 86686122.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22168669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48388 + ... + 48843.

Almost surely, 2^22168668 is an apocalyptic number.

It is an amenable number.

22168668 is an abundant number, since it is smaller than the sum of its proper divisors (32281252).

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

22168668 is a wasteful number, since it uses less digits than its factorization.

22168668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97257 (or 97255 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 22168668 is about 4708.3614984408. The cubic root of 22168668 is about 280.9181931962.

The spelling of 22168668 in words is "twenty-two million, one hundred sixty-eight thousand, six hundred sixty-eight".