22085686600 has 48 divisors (see below), whose sum is σ = 53119898100. Its totient is φ = 8529642240.

The previous prime is 22085686577. The next prime is 22085686619. The reversal of 22085686600 is 668658022.

It can be written as a sum of positive squares in 6 ways, for example, as 12814692804 + 9270993796 = 113202^2 + 96286^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1898139 + ... + 1909738.

Almost surely, 2^22085686600 is an apocalyptic number.

22085686600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22085686600 is an abundant number, since it is smaller than the sum of its proper divisors (31034211500).

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

22085686600 is a wasteful number, since it uses less digits than its factorization.

22085686600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807922 (or 3807913 counting only the distinct ones).

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

The spelling of 22085686600 in words is "twenty-two billion, eighty-five million, six hundred eighty-six thousand, six hundred".