11228144 has 20 divisors (see below), whose sum is σ = 21810360. Its totient is φ = 5599680.

The previous prime is 11228089. The next prime is 11228167. The reversal of 11228144 is 44182211.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8522 + ... + 9750.

It is an arithmetic number, because the mean of its divisors is an integer number (1090518).

Almost surely, 2^11228144 is an apocalyptic number.

It is an amenable number.

11228144 is a deficient number, since it is larger than the sum of its proper divisors (10582216).

11228144 is a wasteful number, since it uses less digits than its factorization.

11228144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808 (or 1802 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 11228144 is about 3350.8422821732. The cubic root of 11228144 is about 223.9250386926.

The spelling of 11228144 in words is "eleven million, two hundred twenty-eight thousand, one hundred forty-four".