11229903 has 6 divisors (see below), whose sum is σ = 16220984. Its totient is φ = 7486596.

The previous prime is 11229863. The next prime is 11229947. The reversal of 11229903 is 30992211.

It is not a de Polignac number, because 11229903 - 2¹⁰ = 11228879 is a prime.

It is a super-2 number, since 2×11229903² = 252221442778818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11229973) 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, 623875 + ... + 623892.

Almost surely, 2^11229903 is an apocalyptic number.

11229903 is a deficient number, since it is larger than the sum of its proper divisors (4991081).

11229903 is a wasteful number, since it uses less digits than its factorization.

11229903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247773 (or 1247770 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11229903 is about 3351.1047432153. The cubic root of 11229903 is about 223.9367314406.

It can be divided in two parts, 1122 and 9903, that added together give a square (11025 = 105²).

The spelling of 11229903 in words is "eleven million, two hundred twenty-nine thousand, nine hundred three".