22668568 has 64 divisors (see below), whose sum is σ = 48454560. Its totient is φ = 9870336.

The previous prime is 22668557. The next prime is 22668589. The reversal of 22668568 is 86586622.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165396 + ... + 165532.

Almost surely, 2^22668568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22668568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24227280).

22668568 is an abundant number, since it is smaller than the sum of its proper divisors (25785992).

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

22668568 is a wasteful number, since it uses less digits than its factorization.

22668568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 232 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 22668568 is about 4761.1519614480. The cubic root of 22668568 is about 283.0140711454.

The spelling of 22668568 in words is "twenty-two million, six hundred sixty-eight thousand, five hundred sixty-eight".