9117225 has 48 divisors (see below), whose sum is σ = 18054400. Its totient is φ = 4484160.

The previous prime is 9117221. The next prime is 9117257. The reversal of 9117225 is 5227119.

It is not a de Polignac number, because 9117225 - 2² = 9117221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (9117221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8256 + ... + 9294.

Almost surely, 2^9117225 is an apocalyptic number.

It is an amenable number.

9117225 is a deficient number, since it is larger than the sum of its proper divisors (8937175).

9117225 is a wasteful number, since it uses less digits than its factorization.

9117225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1060 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 9117225 is about 3019.4742919919. The cubic root of 9117225 is about 208.9075925211.

It can be divided in two parts, 9117 and 225, that multiplied together give a triangular number (2051325 = T₂₀₂₅).

The spelling of 9117225 in words is "nine million, one hundred seventeen thousand, two hundred twenty-five".