722173051 has 16 divisors (see below), whose sum is σ = 760284000. Its totient is φ = 685052928.

The previous prime is 722173043. The next prime is 722173061. The reversal of 722173051 is 150371227.

It is a cyclic number.

It is not a de Polignac number, because 722173051 - 2³ = 722173043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722173061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418276 + ... + 419998.

It is an arithmetic number, because the mean of its divisors is an integer number (47517750).

Almost surely, 2^722173051 is an apocalyptic number.

722173051 is a deficient number, since it is larger than the sum of its proper divisors (38110949).

722173051 is a wasteful number, since it uses less digits than its factorization.

722173051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 722173051 is about 26873.2776378320. The cubic root of 722173051 is about 897.1817400799.

The spelling of 722173051 in words is "seven hundred twenty-two million, one hundred seventy-three thousand, fifty-one".