9180225 has 18 divisors (see below), whose sum is σ = 16443206. Its totient is φ = 4896000.

The previous prime is 9180191. The next prime is 9180239. The reversal of 9180225 is 5220819.

9180225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2461761 + 6718464 = 1569^2 + 2592^2 .

It is not a de Polignac number, because 9180225 - 2⁶ = 9180161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20176 + ... + 20625.

Almost surely, 2^9180225 is an apocalyptic number.

It is an amenable number.

9180225 is a deficient number, since it is larger than the sum of its proper divisors (7262981).

9180225 is a wasteful number, since it uses less digits than its factorization.

9180225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40817 (or 40809 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 9180225 is about 3029.8886118140. Note that the first 3 decimals coincide. The cubic root of 9180225 is about 209.3876720629.

The spelling of 9180225 in words is "nine million, one hundred eighty thousand, two hundred twenty-five".