91922814 has 12 divisors (see below), whose sum is σ = 199166136. Its totient is φ = 30640932.

The previous prime is 91922807. The next prime is 91922833. The reversal of 91922814 is 41822919.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2553394 + ... + 2553429.

It is an arithmetic number, because the mean of its divisors is an integer number (16597178).

Almost surely, 2^91922814 is an apocalyptic number.

91922814 is an abundant number, since it is smaller than the sum of its proper divisors (107243322).

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

91922814 is a wasteful number, since it uses less digits than its factorization.

91922814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106831 (or 5106828 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 91922814 is about 9587.6386039525. The cubic root of 91922814 is about 451.3094599661.

The spelling of 91922814 in words is "ninety-one million, nine hundred twenty-two thousand, eight hundred fourteen".