91112232 has 16 divisors (see below), whose sum is σ = 227780640. Its totient is φ = 30370736.

The previous prime is 91112221. The next prime is 91112251. The reversal of 91112232 is 23221119.

It is a junction number, because it is equal to n+sod(n) for n = 91112199 and 91112208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898148 + ... + 1898195.

It is an arithmetic number, because the mean of its divisors is an integer number (14236290).

Almost surely, 2^91112232 is an apocalyptic number.

It is an amenable number.

91112232 is an abundant number, since it is smaller than the sum of its proper divisors (136668408).

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

91112232 is a wasteful number, since it uses less digits than its factorization.

91112232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796352 (or 3796348 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 91112232 is about 9545.2727567105. The cubic root of 91112232 is about 449.9789817344.

The spelling of 91112232 in words is "ninety-one million, one hundred twelve thousand, two hundred thirty-two".