91738022 has 16 divisors (see below), whose sum is σ = 143650032. Its totient is φ = 43895520.

The previous prime is 91738019. The next prime is 91738043. The reversal of 91738022 is 22083719.

It is a self number, because there is not a number n which added to its sum of digits gives 91738022.

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, 5648 + ... + 14675.

It is an arithmetic number, because the mean of its divisors is an integer number (8978127).

Almost surely, 2^91738022 is an apocalyptic number.

91738022 is a deficient number, since it is larger than the sum of its proper divisors (51912010).

91738022 is a wasteful number, since it uses less digits than its factorization.

91738022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20423.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 91738022 is about 9577.9967634156. The cubic root of 91738022 is about 451.0068353266.

The spelling of 91738022 in words is "ninety-one million, seven hundred thirty-eight thousand, twenty-two".