722151706 has 16 divisors (see below), whose sum is σ = 1088131968. Its totient is φ = 359445600.

The previous prime is 722151691. The next prime is 722151803. The reversal of 722151706 is 607151227.

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 7 ways as a sum of consecutive naturals, for example, 698566 + ... + 699598.

It is an arithmetic number, because the mean of its divisors is an integer number (68008248).

Almost surely, 2^722151706 is an apocalyptic number.

722151706 is a deficient number, since it is larger than the sum of its proper divisors (365980262).

722151706 is a wasteful number, since it uses less digits than its factorization.

722151706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 722151706 is about 26872.8804931663. The cubic root of 722151706 is about 897.1729007705.

The spelling of 722151706 in words is "seven hundred twenty-two million, one hundred fifty-one thousand, seven hundred six".