680040222 has 16 divisors (see below), whose sum is σ = 1440085392. Its totient is φ = 213345920.

The previous prime is 680040217. The next prime is 680040233. The reversal of 680040222 is 222040086.

It is a junction number, because it is equal to n+sod(n) for n = 680040192 and 680040201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333429 + ... + 3333632.

It is an arithmetic number, because the mean of its divisors is an integer number (90005337).

Almost surely, 2^680040222 is an apocalyptic number.

680040222 is an abundant number, since it is smaller than the sum of its proper divisors (760045170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680040222 is a wasteful number, since it uses less digits than its factorization.

680040222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667083.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 680040222 is about 26077.5808310510. The cubic root of 680040222 is about 879.3832722548.

The spelling of 680040222 in words is "six hundred eighty million, forty thousand, two hundred twenty-two".