722250166 has 16 divisors (see below), whose sum is σ = 1194051600. Its totient is φ = 324910080.

The previous prime is 722250149. The next prime is 722250223. The reversal of 722250166 is 661052227.

722250166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 167091 + ... + 171358.

It is an arithmetic number, because the mean of its divisors is an integer number (74628225).

Almost surely, 2^722250166 is an apocalyptic number.

722250166 is a deficient number, since it is larger than the sum of its proper divisors (471801434).

722250166 is a wasteful number, since it uses less digits than its factorization.

722250166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338559.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 722250166 is about 26874.7123891587. The cubic root of 722250166 is about 897.2136731958.

The spelling of 722250166 in words is "seven hundred twenty-two million, two hundred fifty thousand, one hundred sixty-six".