22116993921272 has 8 divisors (see below), whose sum is σ = 41469363602400. Its totient is φ = 11058496960632.

The previous prime is 22116993921271. The next prime is 22116993921311. The reversal of 22116993921272 is 27212939961122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22116993921272² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22116993921271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382312120072 + ... + 1382312120087.

It is an arithmetic number, because the mean of its divisors is an integer number (5183670450300).

Almost surely, 2^{22116993921272} is an apocalyptic number.

It is an amenable number.

22116993921272 is a deficient number, since it is larger than the sum of its proper divisors (19352369681128).

22116993921272 is a wasteful number, since it uses less digits than its factorization.

22116993921272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764624240165 (or 2764624240161 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 56.

The spelling of 22116993921272 in words is "twenty-two trillion, one hundred sixteen billion, nine hundred ninety-three million, nine hundred twenty-one thousand, two hundred seventy-two".