22011168690 has 64 divisors (see below), whose sum is σ = 67081662720. Its totient is φ = 5031123840.

The previous prime is 22011168689. The next prime is 22011168713. The reversal of 22011168690 is 9686111022.

It is a super-2 number, since 2×22011168690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5821171 + ... + 5824950.

It is an arithmetic number, because the mean of its divisors is an integer number (1048150980).

Almost surely, 2^22011168690 is an apocalyptic number.

22011168690 is an abundant number, since it is smaller than the sum of its proper divisors (45070494030).

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

22011168690 is a wasteful number, since it uses less digits than its factorization.

22011168690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11646144 (or 11646138 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 22011168690 in words is "twenty-two billion, eleven million, one hundred sixty-eight thousand, six hundred ninety".