722564465318 has 8 divisors (see below), whose sum is σ = 1088579653680. Its totient is φ = 359704580760.

The previous prime is 722564465267. The next prime is 722564465351. The reversal of 722564465318 is 813564465227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×722564465318² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 722564465318.

It is a congruent number.

It is an unprimeable number.

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, 788825378 + ... + 788826293.

It is an arithmetic number, because the mean of its divisors is an integer number (136072456710).

Almost surely, 2^722564465318 is an apocalyptic number.

722564465318 is a deficient number, since it is larger than the sum of its proper divisors (366015188362).

722564465318 is a wasteful number, since it uses less digits than its factorization.

722564465318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577651902.

The product of its digits is 9676800, while the sum is 53.

Subtracting 722564465318 from its reverse (813564465227), we obtain a palindrome (90999999909).

The spelling of 722564465318 in words is "seven hundred twenty-two billion, five hundred sixty-four million, four hundred sixty-five thousand, three hundred eighteen".