722173201 has 2 divisors, whose sum is σ = 722173202. Its totient is φ = 722173200.

The previous prime is 722173187. The next prime is 722173213. The reversal of 722173201 is 102371227.

722173201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 581774400 + 140398801 = 24120^2 + 11849^2 .

It is a cyclic number.

It is not a de Polignac number, because 722173201 - 2¹⁷ = 722042129 is a prime.

It is not a weakly prime, because it can be changed into another prime (722177201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361086600 + 361086601.

It is an arithmetic number, because the mean of its divisors is an integer number (361086601).

Almost surely, 2^722173201 is an apocalyptic number.

It is an amenable number.

722173201 is a deficient number, since it is larger than the sum of its proper divisors (1).

722173201 is an equidigital number, since it uses as much as digits as its factorization.

722173201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 722173201 is about 26873.2804287084. The cubic root of 722173201 is about 897.1818021967.

The spelling of 722173201 in words is "seven hundred twenty-two million, one hundred seventy-three thousand, two hundred one".