722316944 has 20 divisors (see below), whose sum is σ = 1481812524. Its totient is φ = 339913728.

The previous prime is 722316943. The next prime is 722316979. The reversal of 722316944 is 449613227.

It can be written as a sum of positive squares in 2 ways, for example, as 670188544 + 52128400 = 25888^2 + 7220^2 .

It is a junction number, because it is equal to n+sod(n) for n = 722316898 and 722316907.

It is not an unprimeable number, because it can be changed into a prime (722316943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327517 + ... + 1328060.

Almost surely, 2^722316944 is an apocalyptic number.

It is an amenable number.

722316944 is an abundant number, since it is smaller than the sum of its proper divisors (759495580).

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

722316944 is a wasteful number, since it uses less digits than its factorization.

722316944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655602 (or 2655596 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 722316944 is about 26875.9547551338. The cubic root of 722316944 is about 897.2413239513.

The spelling of 722316944 in words is "seven hundred twenty-two million, three hundred sixteen thousand, nine hundred forty-four".