11165225 has 6 divisors (see below), whose sum is σ = 13844910. Its totient is φ = 8932160.

The previous prime is 11165221. The next prime is 11165237. The reversal of 11165225 is 52256111.

It is a happy number.

11165225 is digitally balanced in base 2, 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 63001 + 11102224 = 251^2 + 3332^2 .

It is not a de Polignac number, because 11165225 - 2² = 11165221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11165225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11165221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223280 + ... + 223329.

It is an arithmetic number, because the mean of its divisors is an integer number (2307485).

Almost surely, 2^11165225 is an apocalyptic number.

It is an amenable number.

11165225 is a deficient number, since it is larger than the sum of its proper divisors (2679685).

11165225 is an equidigital number, since it uses as much as digits as its factorization.

11165225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446619 (or 446614 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 11165225 is about 3341.4405576039. The cubic root of 11165225 is about 223.5059863901.

The spelling of 11165225 in words is "eleven million, one hundred sixty-five thousand, two hundred twenty-five".