90822 has 8 divisors (see below), whose sum is σ = 181656. Its totient is φ = 30272.

The previous prime is 90821. The next prime is 90823. The reversal of 90822 is 22809.

It is an interprime number because it is at equal distance from previous prime (90821) and next prime (90823).

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

90822 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90821) 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, 7563 + ... + 7574.

It is an arithmetic number, because the mean of its divisors is an integer number (22707).

2⁹⁰⁸²² is an apocalyptic number.

90822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90828).

90822 is a wasteful number, since it uses less digits than its factorization.

90822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15142.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 90822 is about 301.3668860376. The cubic root of 90822 is about 44.9500680729.

The spelling of 90822 in words is "ninety thousand, eight hundred twenty-two".