680889703222 has 4 divisors (see below), whose sum is σ = 1021334554836. Its totient is φ = 340444851610.

The previous prime is 680889703201. The next prime is 680889703267. The reversal of 680889703222 is 222307988086.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222307988086 = 2 ⋅111153994043.

It is a super-2 number, since 2×680889703222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170222425804 + ... + 170222425807.

It is an arithmetic number, because the mean of its divisors is an integer number (255333638709).

Almost surely, 2^680889703222 is an apocalyptic number.

680889703222 is a deficient number, since it is larger than the sum of its proper divisors (340444851614).

680889703222 is a wasteful number, since it uses less digits than its factorization.

680889703222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340444851613.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 680889703222 in words is "six hundred eighty billion, eight hundred eighty-nine million, seven hundred three thousand, two hundred twenty-two".