91422132 has 24 divisors (see below), whose sum is σ = 213600576. Its totient is φ = 30433728.

The previous prime is 91422127. The next prime is 91422137. The reversal of 91422132 is 23122419.

It is an interprime number because it is at equal distance from previous prime (91422127) and next prime (91422137).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91422137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5248 + ... + 14504.

It is an arithmetic number, because the mean of its divisors is an integer number (8900024).

Almost surely, 2^91422132 is an apocalyptic number.

It is an amenable number.

91422132 is an abundant number, since it is smaller than the sum of its proper divisors (122178444).

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

91422132 is a wasteful number, since it uses less digits than its factorization.

91422132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10087 (or 10085 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 91422132 is about 9561.4921429660. The cubic root of 91422132 is about 450.4885755230.

It can be divided in two parts, 9 and 1422132, that added together give a triangular number (1422141 = T₁₆₈₆).

The spelling of 91422132 in words is "ninety-one million, four hundred twenty-two thousand, one hundred thirty-two".