22666686806 has 16 divisors (see below), whose sum is σ = 37565252064. Its totient is φ = 10202907264.

The previous prime is 22666686797. The next prime is 22666686841. The reversal of 22666686806 is 60868666622.

It is a super-2 number, since 2×22666686806² (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 in 7 ways as a sum of consecutive naturals, for example, 14491985 + ... + 14493548.

It is an arithmetic number, because the mean of its divisors is an integer number (2347828254).

Almost surely, 2^22666686806 is an apocalyptic number.

22666686806 is a deficient number, since it is larger than the sum of its proper divisors (14898565258).

22666686806 is a wasteful number, since it uses less digits than its factorization.

22666686806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28985575.

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 22666686806 in words is "twenty-two billion, six hundred sixty-six million, six hundred eighty-six thousand, eight hundred six".