722924617 has 2 divisors, whose sum is σ = 722924618. Its totient is φ = 722924616.

The previous prime is 722924593. The next prime is 722924641. The reversal of 722924617 is 716429227.

722924617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (722924593) and next prime (722924641).

It can be written as a sum of positive squares in only one way, i.e., 544942336 + 177982281 = 23344^2 + 13341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722924617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 722924617.

It is not a weakly prime, because it can be changed into another prime (722924117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361462308 + 361462309.

It is an arithmetic number, because the mean of its divisors is an integer number (361462309).

Almost surely, 2^722924617 is an apocalyptic number.

It is an amenable number.

722924617 is a deficient number, since it is larger than the sum of its proper divisors (1).

722924617 is an equidigital number, since it uses as much as digits as its factorization.

722924617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 722924617 is about 26887.2575209894. The cubic root of 722924617 is about 897.4928647307.

The spelling of 722924617 in words is "seven hundred twenty-two million, nine hundred twenty-four thousand, six hundred seventeen".