80822 has 16 divisors (see below), whose sum is σ = 145152. Its totient is φ = 33000.

The previous prime is 80819. The next prime is 80831. The reversal of 80822 is 22808.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 80794 and 80803.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 197 + ... + 447.

It is an arithmetic number, because the mean of its divisors is an integer number (9072).

2⁸⁰⁸²² is an apocalyptic number.

80822 is a deficient number, since it is larger than the sum of its proper divisors (64330).

80822 is a wasteful number, since it uses less digits than its factorization.

80822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 80822 is about 284.2921033022. The cubic root of 80822 is about 43.2357699853.

The spelling of 80822 in words is "eighty thousand, eight hundred twenty-two".