91327422 has 16 divisors (see below), whose sum is σ = 184429440. Its totient is φ = 30146712.

The previous prime is 91327393. The next prime is 91327441. The reversal of 91327422 is 22472319.

It is a self number, because there is not a number n which added to its sum of digits gives 91327422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73272 + ... + 74507.

It is an arithmetic number, because the mean of its divisors is an integer number (11526840).

Almost surely, 2^91327422 is an apocalyptic number.

91327422 is an abundant number, since it is smaller than the sum of its proper divisors (93102018).

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

91327422 is a wasteful number, since it uses less digits than its factorization.

91327422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147887.

The product of its digits is 6048, while the sum is 30.

The square root of 91327422 is about 9556.5381807431. The cubic root of 91327422 is about 450.3329585189.

The spelling of 91327422 in words is "ninety-one million, three hundred twenty-seven thousand, four hundred twenty-two".