11118227 has 6 divisors (see below), whose sum is σ = 11212908. Its totient is φ = 11024252.

The previous prime is 11118199. The next prime is 11118251. The reversal of 11118227 is 72281111.

11118227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11118227 is a prime.

It is a super-2 number, since 2×11118227² = 247229943247058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11118127) 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, 31868 + ... + 32214.

It is an arithmetic number, because the mean of its divisors is an integer number (1868818).

Almost surely, 2^11118227 is an apocalyptic number.

11118227 is a deficient number, since it is larger than the sum of its proper divisors (94681).

11118227 is an frugal number, since it uses more digits than its factorization.

11118227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 526 counting only the distinct ones).

The product of its digits is 224, while the sum is 23.

The square root of 11118227 is about 3334.4005458253. The cubic root of 11118227 is about 223.1919426334.

Adding to 11118227 its reverse (72281111), we get a palindrome (83399338).

The spelling of 11118227 in words is "eleven million, one hundred eighteen thousand, two hundred twenty-seven".