422706730717 has 4 divisors (see below), whose sum is σ = 424460700796. Its totient is φ = 420952760640.

The previous prime is 422706730679. The next prime is 422706730723. The reversal of 422706730717 is 717037607224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 371988988281 + 50717742436 = 609909^2 + 225206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422706730717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422706736717) 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, 876984678 + ... + 876985159.

It is an arithmetic number, because the mean of its divisors is an integer number (106115175199).

Almost surely, 2^422706730717 is an apocalyptic number.

It is an amenable number.

422706730717 is a deficient number, since it is larger than the sum of its proper divisors (1753970079).

422706730717 is a wasteful number, since it uses less digits than its factorization.

422706730717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753970078.

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 422706730717 in words is "four hundred twenty-two billion, seven hundred six million, seven hundred thirty thousand, seven hundred seventeen".