11115228 has 24 divisors (see below), whose sum is σ = 27301120. Its totient is φ = 3510000.

The previous prime is 11115227. The next prime is 11115239. The reversal of 11115228 is 82251111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115227) 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 7 ways as a sum of consecutive naturals, for example, 24148 + ... + 24603.

Almost surely, 2^11115228 is an apocalyptic number.

It is an amenable number.

11115228 is an abundant number, since it is smaller than the sum of its proper divisors (16185892).

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

11115228 is a wasteful number, since it uses less digits than its factorization.

11115228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48777 (or 48775 counting only the distinct ones).

The product of its digits is 160, while the sum is 21.

The square root of 11115228 is about 3333.9508094751. The cubic root of 11115228 is about 223.1718731017.

Adding to 11115228 its reverse (82251111), we get a palindrome (93366339).

The spelling of 11115228 in words is "eleven million, one hundred fifteen thousand, two hundred twenty-eight".