722173202 has 4 divisors (see below), whose sum is σ = 1083259806. Its totient is φ = 361086600.

The previous prime is 722173201. The next prime is 722173213. The reversal of 722173202 is 202371227.

722173202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202371227 = 23 ⋅8798749.

It can be written as a sum of positive squares in only one way, i.e., 622951681 + 99221521 = 24959^2 + 9961^2 .

It is not an unprimeable number, because it can be changed into a prime (722173201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180543299 + ... + 180543302.

Almost surely, 2^722173202 is an apocalyptic number.

722173202 is a deficient number, since it is larger than the sum of its proper divisors (361086604).

722173202 is a wasteful number, since it uses less digits than its factorization.

722173202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361086603.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 722173202 is about 26873.2804473142. The cubic root of 722173202 is about 897.1818026108.

The spelling of 722173202 in words is "seven hundred twenty-two million, one hundred seventy-three thousand, two hundred two".