722928571922 has 6 divisors (see below), whose sum is σ = 1084394661543. Its totient is φ = 361463684742.

The previous prime is 722928571909. The next prime is 722928571949. The reversal of 722928571922 is 229175829227.

It can be written as a sum of positive squares in only one way, i.e., 361464285961 + 361464285961 = 601219^2 + 601219^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=601219.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 901829 + ... + 1503047.

Almost surely, 2^722928571922 is an apocalyptic number.

722928571922 is a deficient number, since it is larger than the sum of its proper divisors (361466089621).

722928571922 is an frugal number, since it uses more digits than its factorization.

722928571922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202440 (or 601221 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 56.

The spelling of 722928571922 in words is "seven hundred twenty-two billion, nine hundred twenty-eight million, five hundred seventy-one thousand, nine hundred twenty-two".