722287373 has 2 divisors, whose sum is σ = 722287374. Its totient is φ = 722287372.

The previous prime is 722287367. The next prime is 722287409. The reversal of 722287373 is 373782227.

722287373 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., 680322889 + 41964484 = 26083^2 + 6478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722287373 is a prime.

It is a super-2 number, since 2×722287373² = 1043398098390482258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 722287373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722287333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361143686 + 361143687.

It is an arithmetic number, because the mean of its divisors is an integer number (361143687).

Almost surely, 2^722287373 is an apocalyptic number.

It is an amenable number.

722287373 is a deficient number, since it is larger than the sum of its proper divisors (1).

722287373 is an equidigital number, since it uses as much as digits as its factorization.

722287373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 41.

The square root of 722287373 is about 26875.4046109077. The cubic root of 722287373 is about 897.2290797025.

The spelling of 722287373 in words is "seven hundred twenty-two million, two hundred eighty-seven thousand, three hundred seventy-three".