680420226 has 8 divisors (see below), whose sum is σ = 1360840464. Its totient is φ = 226806740.

The previous prime is 680420207. The next prime is 680420231. The reversal of 680420226 is 622024086.

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

680420226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 680420193 and 680420202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56701680 + ... + 56701691.

It is an arithmetic number, because the mean of its divisors is an integer number (170105058).

Almost surely, 2^680420226 is an apocalyptic number.

680420226 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.

680420226 is a wasteful number, since it uses less digits than its factorization.

680420226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113403376.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 680420226 is about 26084.8658420932. The cubic root of 680420226 is about 879.5470404778.

The spelling of 680420226 in words is "six hundred eighty million, four hundred twenty thousand, two hundred twenty-six".