11118224 has 20 divisors (see below), whose sum is σ = 23199036. Its totient is φ = 5131392.

The previous prime is 11118199. The next prime is 11118251. The reversal of 11118224 is 42281111.

It can be written as a sum of positive squares in 2 ways, for example, as 4000000 + 7118224 = 2000^2 + 2668^2 .

It is a super-2 number, since 2×11118224² = 247229809828352, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11118196 and 11118205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26519 + ... + 26934.

Almost surely, 2^11118224 is an apocalyptic number.

It is an amenable number.

11118224 is an abundant number, since it is smaller than the sum of its proper divisors (12080812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11118224 is a wasteful number, since it uses less digits than its factorization.

11118224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53474 (or 53468 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

The square root of 11118224 is about 3334.4000959693. The cubic root of 11118224 is about 223.1919225590.

Adding to 11118224 its reverse (42281111), we get a palindrome (53399335).

The spelling of 11118224 in words is "eleven million, one hundred eighteen thousand, two hundred twenty-four".