22667868568 has 8 divisors (see below), whose sum is σ = 42502253580. Its totient is φ = 11333934280.

The previous prime is 22667868557. The next prime is 22667868581. The reversal of 22667868568 is 86586876622.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22667868568² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416741778 + ... + 1416741793.

Almost surely, 2^22667868568 is an apocalyptic number.

It is an amenable number.

22667868568 is a deficient number, since it is larger than the sum of its proper divisors (19834385012).

22667868568 is a wasteful number, since it uses less digits than its factorization.

22667868568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833483577 (or 2833483573 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 64.

The spelling of 22667868568 in words is "twenty-two billion, six hundred sixty-seven million, eight hundred sixty-eight thousand, five hundred sixty-eight".