91133322 has 16 divisors (see below), whose sum is σ = 208304832. Its totient is φ = 26038080.

The previous prime is 91133321. The next prime is 91133353. The reversal of 91133322 is 22333119.

It is a junction number, because it is equal to n+sod(n) for n = 91133292 and 91133301.

It is not an unprimeable number, because it can be changed into a prime (91133321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084879 + ... + 1084962.

It is an arithmetic number, because the mean of its divisors is an integer number (13019052).

Almost surely, 2^91133322 is an apocalyptic number.

91133322 is an abundant number, since it is smaller than the sum of its proper divisors (117171510).

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

91133322 is a wasteful number, since it uses less digits than its factorization.

91133322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169853.

The product of its digits is 972, while the sum is 24.

The square root of 91133322 is about 9546.3774281138. The cubic root of 91133322 is about 450.0136983484.

The spelling of 91133322 in words is "ninety-one million, one hundred thirty-three thousand, three hundred twenty-two".