22111976646690 has 64 divisors (see below), whose sum is σ = 60660634855680. Its totient is φ = 5053279276800.

The previous prime is 22111976646689. The next prime is 22111976646731. The reversal of 22111976646690 is 9664667911122.

It is a super-2 number, since 2×22111976646690² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8037585 + ... + 10432004.

It is an arithmetic number, because the mean of its divisors is an integer number (947822419620).

Almost surely, 2^{22111976646690} is an apocalyptic number.

22111976646690 is an abundant number, since it is smaller than the sum of its proper divisors (38548658208990).

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

22111976646690 is a wasteful number, since it uses less digits than its factorization.

22111976646690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18475307.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 22111976646690 in words is "twenty-two trillion, one hundred eleven billion, nine hundred seventy-six million, six hundred forty-six thousand, six hundred ninety".