11043228 has 48 divisors (see below), whose sum is σ = 30060800. Its totient is φ = 3154032.

The previous prime is 11043211. The next prime is 11043259. The reversal of 11043228 is 82234011.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775 + ... + 5457.

Almost surely, 2^11043228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11043228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15030400).

11043228 is an abundant number, since it is smaller than the sum of its proper divisors (19017572).

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

11043228 is a wasteful number, since it uses less digits than its factorization.

11043228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 11043228 is about 3323.1352665818. The cubic root of 11043228 is about 222.6889561792.

Adding to 11043228 its reverse (82234011), we get a palindrome (93277239).

The spelling of 11043228 in words is "eleven million, forty-three thousand, two hundred twenty-eight".