91959272022 has 16 divisors (see below), whose sum is σ = 186246627840. Its totient is φ = 30265076712.

The previous prime is 91959272017. The next prime is 91959272029. The reversal of 91959272022 is 22027295919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91959272029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97002978 + ... + 97003925.

It is an arithmetic number, because the mean of its divisors is an integer number (11640414240).

Almost surely, 2^91959272022 is an apocalyptic number.

91959272022 is an abundant number, since it is smaller than the sum of its proper divisors (94287355818).

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

91959272022 is a wasteful number, since it uses less digits than its factorization.

91959272022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194006987.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 91959272022 in words is "ninety-one billion, nine hundred fifty-nine million, two hundred seventy-two thousand, twenty-two".