91983122 has 32 divisors (see below), whose sum is σ = 172523520. Its totient is φ = 35732880.

The previous prime is 91983121. The next prime is 91983163. The reversal of 91983122 is 22138919.

It is not an unprimeable number, because it can be changed into a prime (91983121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71279 + ... + 72557.

It is an arithmetic number, because the mean of its divisors is an integer number (5391360).

Almost surely, 2^91983122 is an apocalyptic number.

91983122 is a deficient number, since it is larger than the sum of its proper divisors (80540398).

91983122 is a wasteful number, since it uses less digits than its factorization.

91983122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766.

The product of its digits is 7776, while the sum is 35.

The square root of 91983122 is about 9590.7831796991. The cubic root of 91983122 is about 451.4081355819.

The spelling of 91983122 in words is "ninety-one million, nine hundred eighty-three thousand, one hundred twenty-two".