102822 has 8 divisors (see below), whose sum is σ = 205656. Its totient is φ = 34272.

The previous prime is 102811. The next prime is 102829. The reversal of 102822 is 228201.

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

102822 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 102822.

It is not an unprimeable number, because it can be changed into a prime (102829) by changing a digit.

102822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8563 + ... + 8574.

It is an arithmetic number, because the mean of its divisors is an integer number (25707).

2¹⁰²⁸²² is an apocalyptic number.

102822 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.

102822 is a wasteful number, since it uses less digits than its factorization.

102822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17142.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 102822 is about 320.6586970597. The cubic root of 102822 is about 46.8484632021.

The spelling of 102822 in words is "one hundred two thousand, eight hundred twenty-two".