722323722 has 32 divisors (see below), whose sum is σ = 1525708800. Its totient is φ = 227348208.

The previous prime is 722323711. The next prime is 722323739. The reversal of 722323722 is 227323227.

It is a self number, because there is not a number n which added to its sum of digits gives 722323722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24679 + ... + 45317.

It is an arithmetic number, because the mean of its divisors is an integer number (47678400).

Almost surely, 2^722323722 is an apocalyptic number.

722323722 is an abundant number, since it is smaller than the sum of its proper divisors (803385078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722323722 is a wasteful number, since it uses less digits than its factorization.

722323722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20970.

The product of its digits is 14112, while the sum is 30.

The square root of 722323722 is about 26876.0808526839. The cubic root of 722323722 is about 897.2441304214.

Adding to 722323722 its reverse (227323227), we get a palindrome (949646949).

The spelling of 722323722 in words is "seven hundred twenty-two million, three hundred twenty-three thousand, seven hundred twenty-two".