11224644 has 48 divisors (see below), whose sum is σ = 27783168. Its totient is φ = 3519648.

The previous prime is 11224639. The next prime is 11224651. The reversal of 11224644 is 44642211.

It is a happy number.

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, 18189 + ... + 18795.

It is an arithmetic number, because the mean of its divisors is an integer number (578816).

Almost surely, 2^11224644 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 11224644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13891584).

11224644 is an abundant number, since it is smaller than the sum of its proper divisors (16558524).

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

11224644 is a wasteful number, since it uses less digits than its factorization.

11224644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 702 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 11224644 is about 3350.3199847179. The cubic root of 11224644 is about 223.9017692165.

Adding to 11224644 its reverse (44642211), we get a palindrome (55866855).

The spelling of 11224644 in words is "eleven million, two hundred twenty-four thousand, six hundred forty-four".