680222 has 4 divisors (see below), whose sum is σ = 1020336. Its totient is φ = 340110.

The previous prime is 680213. The next prime is 680237. The reversal of 680222 is 222086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222086 = 2 ⋅111043.

It is a junction number, because it is equal to n+sod(n) for n = 680194 and 680203.

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 680222.

It is an unprimeable number.

680222 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 as a sum of consecutive naturals, namely, 170054 + ... + 170057.

It is an arithmetic number, because the mean of its divisors is an integer number (255084).

2⁶⁸⁰²²² is an apocalyptic number.

680222 is a deficient number, since it is larger than the sum of its proper divisors (340114).

680222 is a wasteful number, since it uses less digits than its factorization.

680222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340113.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 680222 is about 824.7557214109. The cubic root of 680222 is about 87.9461619724.

The spelling of 680222 in words is "six hundred eighty thousand, two hundred twenty-two".