11303225 has 12 divisors (see below), whose sum is σ = 14074620. Its totient is φ = 9004800.

The previous prime is 11303221. The next prime is 11303261. The reversal of 11303225 is 52230311.

It can be written as a sum of positive squares in 6 ways, for example, as 779689 + 10523536 = 883^2 + 3244^2 .

It is not a de Polignac number, because 11303225 - 2² = 11303221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6221 + ... + 7829.

It is an arithmetic number, because the mean of its divisors is an integer number (1172885).

Almost surely, 2^11303225 is an apocalyptic number.

It is an amenable number.

11303225 is a deficient number, since it is larger than the sum of its proper divisors (2771395).

11303225 is a wasteful number, since it uses less digits than its factorization.

11303225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 11303225 is about 3362.0269183931. The cubic root of 11303225 is about 224.4230485782.

Adding to 11303225 its reverse (52230311), we get a palindrome (63533536).

The spelling of 11303225 in words is "eleven million, three hundred three thousand, two hundred twenty-five".