722233709 has 2 divisors, whose sum is σ = 722233710. Its totient is φ = 722233708.

The previous prime is 722233697. The next prime is 722233769. The reversal of 722233709 is 907332227.

722233709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503104900 + 219128809 = 22430^2 + 14803^2 .

It is a cyclic number.

It is not a de Polignac number, because 722233709 - 2⁴ = 722233693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722233769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361116854 + 361116855.

It is an arithmetic number, because the mean of its divisors is an integer number (361116855).

Almost surely, 2^722233709 is an apocalyptic number.

It is an amenable number.

722233709 is a deficient number, since it is larger than the sum of its proper divisors (1).

722233709 is an equidigital number, since it uses as much as digits as its factorization.

722233709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 722233709 is about 26874.4062073937. The cubic root of 722233709 is about 897.2068585868.

The spelling of 722233709 in words is "seven hundred twenty-two million, two hundred thirty-three thousand, seven hundred nine".