722393607601 has 4 divisors (see below), whose sum is σ = 724002502500. Its totient is φ = 720784712704.

The previous prime is 722393607541. The next prime is 722393607623. The reversal of 722393607601 is 106706393227.

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 560403457201 + 161990150400 = 748601^2 + 402480^2 .

It is a cyclic number.

It is not a de Polignac number, because 722393607601 - 2¹³ = 722393599409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722393617601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804446776 + ... + 804447673.

It is an arithmetic number, because the mean of its divisors is an integer number (181000625625).

Almost surely, 2^722393607601 is an apocalyptic number.

It is an amenable number.

722393607601 is a deficient number, since it is larger than the sum of its proper divisors (1608894899).

722393607601 is a wasteful number, since it uses less digits than its factorization.

722393607601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608894898.

The product of its (nonzero) digits is 571536, while the sum is 46.

The spelling of 722393607601 in words is "seven hundred twenty-two billion, three hundred ninety-three million, six hundred seven thousand, six hundred one".