722316650 has 48 divisors (see below), whose sum is σ = 1480271328. Its totient is φ = 260040000.

The previous prime is 722316643. The next prime is 722316667. The reversal of 722316650 is 56613227.

722316650 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49049 + ... + 62051.

It is an arithmetic number, because the mean of its divisors is an integer number (30838986).

Almost surely, 2^722316650 is an apocalyptic number.

722316650 is an abundant number, since it is smaller than the sum of its proper divisors (757954678).

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

722316650 is a wasteful number, since it uses less digits than its factorization.

722316650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13127 (or 13122 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 722316650 is about 26875.9492855601. The cubic root of 722316650 is about 897.2412022186.

Adding to 722316650 its reverse (56613227), we get a palindrome (778929877).

The spelling of 722316650 in words is "seven hundred twenty-two million, three hundred sixteen thousand, six hundred fifty".