680822 has 16 divisors (see below), whose sum is σ = 1075200. Its totient is φ = 322920.

The previous prime is 680809. The next prime is 680831. The reversal of 680822 is 228086.

It is a junction number, because it is equal to n+sod(n) for n = 680791 and 680800.

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, 4829 + ... + 4967.

It is an arithmetic number, because the mean of its divisors is an integer number (67200).

2⁶⁸⁰⁸²² is an apocalyptic number.

680822 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

680822 is a deficient number, since it is larger than the sum of its proper divisors (394378).

680822 is a wasteful number, since it uses less digits than its factorization.

680822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 680822 is about 825.1193853013. The cubic root of 680822 is about 87.9720124496.

The spelling of 680822 in words is "six hundred eighty thousand, eight hundred twenty-two".