11203225 has 12 divisors (see below), whose sum is σ = 15155280. Its totient is φ = 8147600.

The previous prime is 11203219. The next prime is 11203243. The reversal of 11203225 is 52230211.

11203225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11203225 - 2⁹ = 11202713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11203199 and 11203208.

It is an unprimeable number.

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, 20095 + ... + 20644.

It is an arithmetic number, because the mean of its divisors is an integer number (1262940).

Almost surely, 2^11203225 is an apocalyptic number.

It is an amenable number.

11203225 is a deficient number, since it is larger than the sum of its proper divisors (3952055).

11203225 is a wasteful number, since it uses less digits than its factorization.

11203225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40760 (or 40755 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11203225 is about 3347.1218979894. The cubic root of 11203225 is about 223.7592611878.

Adding to 11203225 its reverse (52230211), we get a palindrome (63433436).

The spelling of 11203225 in words is "eleven million, two hundred three thousand, two hundred twenty-five".