11228203 has 18 divisors (see below), whose sum is σ = 13550724. Its totient is φ = 9271584.

The previous prime is 11228171. The next prime is 11228207. The reversal of 11228203 is 30282211.

11228203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11228203 - 2⁵ = 11228171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11228207) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 153775 + ... + 153847.

It is an arithmetic number, because the mean of its divisors is an integer number (752818).

Almost surely, 2^11228203 is an apocalyptic number.

11228203 is a deficient number, since it is larger than the sum of its proper divisors (2322521).

11228203 is an frugal number, since it uses more digits than its factorization.

11228203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11228203 is about 3350.8510859183. The cubic root of 11228203 is about 223.9254309080.

The spelling of 11228203 in words is "eleven million, two hundred twenty-eight thousand, two hundred three".