22066065656 has 16 divisors (see below), whose sum is σ = 41940639600. Its totient is φ = 10881895104.

The previous prime is 22066065649. The next prime is 22066065677. The reversal of 22066065656 is 65656066022.

It is a super-2 number, since 2×22066065656² (a number of 21 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 in 3 ways as a sum of consecutive naturals, for example, 18891596 + ... + 18892763.

It is an arithmetic number, because the mean of its divisors is an integer number (2621289975).

Almost surely, 2^22066065656 is an apocalyptic number.

It is an amenable number.

22066065656 is a deficient number, since it is larger than the sum of its proper divisors (19874573944).

22066065656 is a wasteful number, since it uses less digits than its factorization.

22066065656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37784438 (or 37784434 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 22066065656 in words is "twenty-two billion, sixty-six million, sixty-five thousand, six hundred fifty-six".