11118229 has 4 divisors (see below), whose sum is σ = 11128320. Its totient is φ = 11108140.

The previous prime is 11118199. The next prime is 11118251. The reversal of 11118229 is 92281111.

11118229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11118229 - 2⁵ = 11118197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11118259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3157 + ... + 5674.

It is an arithmetic number, because the mean of its divisors is an integer number (2782080).

Almost surely, 2^11118229 is an apocalyptic number.

It is an amenable number.

11118229 is a deficient number, since it is larger than the sum of its proper divisors (10091).

11118229 is an equidigital number, since it uses as much as digits as its factorization.

11118229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10090.

The product of its digits is 288, while the sum is 25.

The square root of 11118229 is about 3334.4008457293. The cubic root of 11118229 is about 223.1919560163.

It can be divided in two parts, 1111 and 8229, that multiplied together give a palindrome (9142419).

The spelling of 11118229 in words is "eleven million, one hundred eighteen thousand, two hundred twenty-nine".