4044224 has 28 divisors (see below), whose sum is σ = 8305800. Its totient is φ = 1951488.

The previous prime is 4044223. The next prime is 4044241. The reversal of 4044224 is 4224404.

It is a junction number, because it is equal to n+sod(n) for n = 4044196 and 4044205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767 + ... + 2945.

Almost surely, 2^4044224 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 4044224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4152900).

4044224 is an abundant number, since it is smaller than the sum of its proper divisors (4261576).

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

4044224 is a wasteful number, since it uses less digits than its factorization.

4044224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2210 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4044224 is about 2011.0256089866. The cubic root of 4044224 is about 159.3229725858.

Adding to 4044224 its reverse (4224404), we get a palindrome (8268628).

The spelling of 4044224 in words is "four million, forty-four thousand, two hundred twenty-four".