11225165 has 12 divisors (see below), whose sum is σ = 15669756. Its totient is φ = 7697088.

The previous prime is 11225161. The next prime is 11225167. The reversal of 11225165 is 56152211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7300804 + 3924361 = 2702^2 + 1981^2 .

It is not a de Polignac number, because 11225165 - 2² = 11225161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11225165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225161) 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 11 ways as a sum of consecutive naturals, for example, 22664 + ... + 23153.

It is an arithmetic number, because the mean of its divisors is an integer number (1305813).

Almost surely, 2^11225165 is an apocalyptic number.

It is an amenable number.

11225165 is a deficient number, since it is larger than the sum of its proper divisors (4444591).

11225165 is an equidigital number, since it uses as much as digits as its factorization.

11225165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45836 (or 45829 counting only the distinct ones).

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

The square root of 11225165 is about 3350.3977375828. The cubic root of 11225165 is about 223.9052333507.

Adding to 11225165 its reverse (56152211), we get a palindrome (67377376).

The spelling of 11225165 in words is "eleven million, two hundred twenty-five thousand, one hundred sixty-five".