2044224 has 168 divisors, whose sum is σ = 7437120. Its totient is φ = 539136.

The previous prime is 2044201. The next prime is 2044243. The reversal of 2044224 is 4224402.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a junction number, because it is equal to n+sod(n) for n = 2044197 and 2044206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157242 + ... + 157254.

2^2044224 is an apocalyptic number.

2044224 is a gapful number since it is divisible by the number (24) 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 2044224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3718560).

2044224 is an abundant number, since it is smaller than the sum of its proper divisors (5392896).

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

2044224 is a wasteful number, since it uses less digits than its factorization.

2044224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2044224 is about 1429.7636168262. The cubic root of 2044224 is about 126.9139889234.

Adding to 2044224 its reverse (4224402), we get a palindrome (6268626).

It can be divided in two parts, 20 and 44224, that added together give a palindrome (44244).

The spelling of 2044224 in words is "two million, forty-four thousand, two hundred twenty-four".