11228784 has 80 divisors (see below), whose sum is σ = 34616832. Its totient is φ = 3066624.

The previous prime is 11228779. The next prime is 11228831. The reversal of 11228784 is 48782211.

It is a happy number.

11228784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 7002 + ... + 8454.

Almost surely, 2^11228784 is an apocalyptic number.

11228784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11228784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17308416).

11228784 is an abundant number, since it is smaller than the sum of its proper divisors (23388048).

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

11228784 is a wasteful number, since it uses less digits than its factorization.

11228784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494 (or 1488 counting only the distinct ones).

The product of its digits is 7168, while the sum is 33.

The square root of 11228784 is about 3350.9377791896. The cubic root of 11228784 is about 223.9292931595.

The spelling of 11228784 in words is "eleven million, two hundred twenty-eight thousand, seven hundred eighty-four".