91022 has 8 divisors (see below), whose sum is σ = 138672. Its totient is φ = 44800.

The previous prime is 91019. The next prime is 91033. The reversal of 91022 is 22019.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 90988 and 91006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179 + ... + 462.

It is an arithmetic number, because the mean of its divisors is an integer number (17334).

2⁹¹⁰²² is an apocalyptic number.

91022 is a deficient number, since it is larger than the sum of its proper divisors (47650).

91022 is a wasteful number, since it uses less digits than its factorization.

91022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 91022 is about 301.6985250213. The cubic root of 91022 is about 44.9830388754.

The spelling of 91022 in words is "ninety-one thousand, twenty-two".