91118225224 has 48 divisors (see below), whose sum is σ = 187341638400. Its totient is φ = 41522180544.

The previous prime is 91118225213. The next prime is 91118225239. The reversal of 91118225224 is 42252281119.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 319744 + ... + 533359.

It is an arithmetic number, because the mean of its divisors is an integer number (3902950800).

Almost surely, 2^91118225224 is an apocalyptic number.

It is an amenable number.

91118225224 is an abundant number, since it is smaller than the sum of its proper divisors (96223413176).

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

91118225224 is a wasteful number, since it uses less digits than its factorization.

91118225224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853214 (or 853197 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The spelling of 91118225224 in words is "ninety-one billion, one hundred eighteen million, two hundred twenty-five thousand, two hundred twenty-four".