11224044 has 72 divisors (see below), whose sum is σ = 31646160. Its totient is φ = 3330432.

The previous prime is 11224043. The next prime is 11224091. The reversal of 11224044 is 44042211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11224043) 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 23 ways as a sum of consecutive naturals, for example, 13159 + ... + 13985.

It is an arithmetic number, because the mean of its divisors is an integer number (439530).

Almost surely, 2^11224044 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 11224044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15823080).

11224044 is an abundant number, since it is smaller than the sum of its proper divisors (20422116).

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

11224044 is a wasteful number, since it uses less digits than its factorization.

11224044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 11224044 is about 3350.2304398354. The cubic root of 11224044 is about 223.8977796778.

Adding to 11224044 its reverse (44042211), we get a palindrome (55266255).

The spelling of 11224044 in words is "eleven million, two hundred twenty-four thousand, forty-four".