91422492 has 48 divisors (see below), whose sum is σ = 244376832. Its totient is φ = 26058240.

The previous prime is 91422479. The next prime is 91422533. The reversal of 91422492 is 29422419.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 42892 + ... + 44972.

It is an arithmetic number, because the mean of its divisors is an integer number (5091184).

Almost surely, 2^91422492 is an apocalyptic number.

It is an amenable number.

91422492 is an abundant number, since it is smaller than the sum of its proper divisors (152954340).

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

91422492 is a wasteful number, since it uses less digits than its factorization.

91422492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618 (or 2616 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 91422492 is about 9561.5109684610. The cubic root of 91422492 is about 450.4891668301.

The spelling of 91422492 in words is "ninety-one million, four hundred twenty-two thousand, four hundred ninety-two".