11223744 has 84 divisors (see below), whose sum is σ = 34573464. Its totient is φ = 3204096.

The previous prime is 11223743. The next prime is 11223749. The reversal of 11223744 is 44732211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (11223743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8812 + ... + 10004.

Almost surely, 2^11223744 is an apocalyptic number.

11223744 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 11223744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17286732).

11223744 is an abundant number, since it is smaller than the sum of its proper divisors (23349720).

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

11223744 is a wasteful number, since it uses less digits than its factorization.

11223744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1205 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 11223744 is about 3350.1856664967. The cubic root of 11223744 is about 223.8957848552.

Adding to 11223744 its reverse (44732211), we get a palindrome (55955955).

The spelling of 11223744 in words is "eleven million, two hundred twenty-three thousand, seven hundred forty-four".