722663722 has 16 divisors (see below), whose sum is σ = 1183006944. Its totient is φ = 328354000.

The previous prime is 722663701. The next prime is 722663743. The reversal of 722663722 is 227366227.

722663722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (722663701) and next prime (722663743).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71397 + ... + 80887.

It is an arithmetic number, because the mean of its divisors is an integer number (73937934).

Almost surely, 2^722663722 is an apocalyptic number.

722663722 is a deficient number, since it is larger than the sum of its proper divisors (460343222).

722663722 is a wasteful number, since it uses less digits than its factorization.

722663722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12965.

The product of its digits is 84672, while the sum is 37.

The square root of 722663722 is about 26882.4054355260. The cubic root of 722663722 is about 897.3848868638.

The spelling of 722663722 in words is "seven hundred twenty-two million, six hundred sixty-three thousand, seven hundred twenty-two".