668222325244 has 6 divisors (see below), whose sum is σ = 1169389069184. Its totient is φ = 334111162620.

The previous prime is 668222325241. The next prime is 668222325299. The reversal of 668222325244 is 442523222866.

It is a junction number, because it is equal to n+sod(n) for n = 668222325194 and 668222325203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668222325241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83527790652 + ... + 83527790659.

Almost surely, 2^668222325244 is an apocalyptic number.

It is an amenable number.

668222325244 is a deficient number, since it is larger than the sum of its proper divisors (501166743940).

668222325244 is a wasteful number, since it uses less digits than its factorization.

668222325244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167055581315 (or 167055581313 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 46.

The spelling of 668222325244 in words is "six hundred sixty-eight billion, two hundred twenty-two million, three hundred twenty-five thousand, two hundred forty-four".