22661980719 has 32 divisors (see below), whose sum is σ = 35761720320. Its totient is φ = 12489722112.

The previous prime is 22661980703. The next prime is 22661980727. The reversal of 22661980719 is 91708916622.

It is not a de Polignac number, because 22661980719 - 2⁴ = 22661980703 is a prime.

It is a super-2 number, since 2×22661980719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22661980729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560854 + ... + 599900.

It is an arithmetic number, because the mean of its divisors is an integer number (1117553760).

Almost surely, 2^22661980719 is an apocalyptic number.

22661980719 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22661980719 is a deficient number, since it is larger than the sum of its proper divisors (13099739601).

22661980719 is a wasteful number, since it uses less digits than its factorization.

22661980719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40039.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 22661980719 in words is "twenty-two billion, six hundred sixty-one million, nine hundred eighty thousand, seven hundred nineteen".