2289045172 has 12 divisors (see below), whose sum is σ = 4241466180. Its totient is φ = 1077197696.

The previous prime is 2289045167. The next prime is 2289045193. The reversal of 2289045172 is 2715409822.

It can be written as a sum of positive squares in 2 ways, for example, as 1641546256 + 647498916 = 40516^2 + 25446^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16831147 + ... + 16831282.

It is an arithmetic number, because the mean of its divisors is an integer number (353455515).

Almost surely, 2^2289045172 is an apocalyptic number.

It is an amenable number.

2289045172 is a deficient number, since it is larger than the sum of its proper divisors (1952421008).

2289045172 is a wasteful number, since it uses less digits than its factorization.

2289045172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33662450 (or 33662448 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2289045172 is about 47843.9669341914. The cubic root of 2289045172 is about 1317.9070697417.

The spelling of 2289045172 in words is "two billion, two hundred eighty-nine million, forty-five thousand, one hundred seventy-two".