320222872745 has 8 divisors (see below), whose sum is σ = 384270484416. Its totient is φ = 256176273456.

The previous prime is 320222872721. The next prime is 320222872787. The reversal of 320222872745 is 547278222023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320222872745 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320222872696 and 320222872705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120274 + ... + 1376756.

It is an arithmetic number, because the mean of its divisors is an integer number (48033810552).

Almost surely, 2^320222872745 is an apocalyptic number.

It is an amenable number.

320222872745 is a deficient number, since it is larger than the sum of its proper divisors (64047611671).

320222872745 is a wasteful number, since it uses less digits than its factorization.

320222872745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506191.

The product of its (nonzero) digits is 752640, while the sum is 44.

The spelling of 320222872745 in words is "three hundred twenty billion, two hundred twenty-two million, eight hundred seventy-two thousand, seven hundred forty-five".