722173203 has 12 divisors (see below), whose sum is σ = 1044837768. Its totient is φ = 480664800.

The previous prime is 722173201. The next prime is 722173213. The reversal of 722173203 is 302371227.

It is a happy number.

It is not a de Polignac number, because 722173203 - 2¹ = 722173201 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 in 11 ways as a sum of consecutive naturals, for example, 59473 + ... + 70578.

It is an arithmetic number, because the mean of its divisors is an integer number (87069814).

Almost surely, 2^722173203 is an apocalyptic number.

722173203 is a deficient number, since it is larger than the sum of its proper divisors (322664565).

722173203 is a wasteful number, since it uses less digits than its factorization.

722173203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130674 (or 130671 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 722173203 is about 26873.2804659200. The cubic root of 722173203 is about 897.1818030249.

The spelling of 722173203 in words is "seven hundred twenty-two million, one hundred seventy-three thousand, two hundred three".