22400166690 has 48 divisors (see below), whose sum is σ = 63535021056. Its totient is φ = 5430343200.

The previous prime is 22400166683. The next prime is 22400166703. The reversal of 22400166690 is 9666100422.

It is a super-2 number, since 2×22400166690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11312226 + ... + 11314205.

It is an arithmetic number, because the mean of its divisors is an integer number (1323646272).

Almost surely, 2^22400166690 is an apocalyptic number.

22400166690 is an abundant number, since it is smaller than the sum of its proper divisors (41134854366).

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

22400166690 is a wasteful number, since it uses less digits than its factorization.

22400166690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22626455 (or 22626452 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 22400166690 in words is "twenty-two billion, four hundred million, one hundred sixty-six thousand, six hundred ninety".