11233218 has 32 divisors (see below), whose sum is σ = 23811840. Its totient is φ = 3522960.

The previous prime is 11233207. The next prime is 11233219. The reversal of 11233218 is 81233211.

It is a junction number, because it is equal to n+sod(n) for n = 11233194 and 11233203.

It is not an unprimeable number, because it can be changed into a prime (11233219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23821 + ... + 24287.

It is an arithmetic number, because the mean of its divisors is an integer number (744120).

Almost surely, 2^11233218 is an apocalyptic number.

11233218 is an abundant number, since it is smaller than the sum of its proper divisors (12578622).

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

11233218 is a wasteful number, since it uses less digits than its factorization.

11233218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its digits is 288, while the sum is 21.

The square root of 11233218 is about 3351.5993197278. The cubic root of 11233218 is about 223.9587641994.

Adding to 11233218 its reverse (81233211), we get a palindrome (92466429).

The spelling of 11233218 in words is "eleven million, two hundred thirty-three thousand, two hundred eighteen".