91413322 has 72 divisors (see below), whose sum is σ = 189130788. Its totient is φ = 32820480.

The previous prime is 91413251. The next prime is 91413341. The reversal of 91413322 is 22331419.

It can be written as a sum of positive squares in 2 ways, for example, as 89699841 + 1713481 = 9471^2 + 1309^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 153858 + ... + 154450.

Almost surely, 2^91413322 is an apocalyptic number.

91413322 is an abundant number, since it is smaller than the sum of its proper divisors (97717466).

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

91413322 is a wasteful number, since it uses less digits than its factorization.

91413322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 626 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 91413322 is about 9561.0314297151. The cubic root of 91413322 is about 450.4741044398.

The spelling of 91413322 in words is "ninety-one million, four hundred thirteen thousand, three hundred twenty-two".