91222336 has 28 divisors (see below), whose sum is σ = 186862720. Its totient is φ = 44138880.

The previous prime is 91222321. The next prime is 91222337. The reversal of 91222336 is 63322219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91222337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21006 + ... + 24973.

Almost surely, 2^91222336 is an apocalyptic number.

It is an amenable number.

91222336 is an abundant number, since it is smaller than the sum of its proper divisors (95640384).

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

91222336 is a wasteful number, since it uses less digits than its factorization.

91222336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46022 (or 46012 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 91222336 is about 9551.0384775688. The cubic root of 91222336 is about 450.1601668539.

The spelling of 91222336 in words is "ninety-one million, two hundred twenty-two thousand, three hundred thirty-six".