722402340757 has 2 divisors, whose sum is σ = 722402340758. Its totient is φ = 722402340756.

The previous prime is 722402340721. The next prime is 722402340811. The reversal of 722402340757 is 757043204227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 665479061361 + 56923279396 = 815769^2 + 238586^2 .

It is an emirp because it is prime and its reverse (757043204227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722402340757 - 2¹¹ = 722402338709 is a prime.

It is a super-3 number, since 3×722402340757³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722402340157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361201170378 + 361201170379.

It is an arithmetic number, because the mean of its divisors is an integer number (361201170379).

Almost surely, 2^722402340757 is an apocalyptic number.

It is an amenable number.

722402340757 is a deficient number, since it is larger than the sum of its proper divisors (1).

722402340757 is an equidigital number, since it uses as much as digits as its factorization.

722402340757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 658560, while the sum is 43.

The spelling of 722402340757 in words is "seven hundred twenty-two billion, four hundred two million, three hundred forty thousand, seven hundred fifty-seven".