79822 has 8 divisors (see below), whose sum is σ = 121176. Its totient is φ = 39432.

The previous prime is 79817. The next prime is 79823. The reversal of 79822 is 22897.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28 + ... + 400.

It is an arithmetic number, because the mean of its divisors is an integer number (15147).

2⁷⁹⁸²² is an apocalyptic number.

79822 is a deficient number, since it is larger than the sum of its proper divisors (41354).

79822 is a wasteful number, since it uses less digits than its factorization.

79822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482.

The product of its digits is 2016, while the sum is 28.

The square root of 79822 is about 282.5278747310. The cubic root of 79822 is about 43.0567126216.

It can be divided in two parts, 798 and 22, that added together give a triangular number (820 = T₄₀).

The spelling of 79822 in words is "seventy-nine thousand, eight hundred twenty-two".