72222055457169 has 16 divisors (see below), whose sum is σ = 100682626931712. Its totient is φ = 45963084109008.

The previous prime is 72222055457159. The next prime is 72222055457179. The reversal of 72222055457169 is 96175455022227.

It is an interprime number because it is at equal distance from previous prime (72222055457159) and next prime (72222055457179).

It is not a de Polignac number, because 72222055457169 - 2⁸ = 72222055456913 is a prime.

It is a super-2 number, since 2×72222055457169² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72222055457159) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1040419027 + ... + 1040488440.

It is an arithmetic number, because the mean of its divisors is an integer number (6292664183232).

Almost surely, 2^{72222055457169} is an apocalyptic number.

It is an amenable number.

72222055457169 is a deficient number, since it is larger than the sum of its proper divisors (28460571474543).

72222055457169 is a wasteful number, since it uses less digits than its factorization.

72222055457169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080907996.

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 72222055457169 in words is "seventy-two trillion, two hundred twenty-two billion, fifty-five million, four hundred fifty-seven thousand, one hundred sixty-nine".