4244224 has 36 divisors (see below), whose sum is σ = 8646120. Its totient is φ = 2078720.

The previous prime is 4244221. The next prime is 4244299. The reversal of 4244224 is 4224424.

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 4⁴ + 2¹⁵ + 4⁴ + 4⁴ + 2²¹ + 2²¹ + 4⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 4244195 and 4244204.

It is not an unprimeable number, because it can be changed into a prime (4244221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14964 + ... + 15244.

It is an arithmetic number, because the mean of its divisors is an integer number (240170).

Almost surely, 2^4244224 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 4244224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4323060).

4244224 is an abundant number, since it is smaller than the sum of its proper divisors (4401896).

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

4244224 is an equidigital number, since it uses as much as digits as its factorization.

4244224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 342 counting only the distinct ones).

The product of its digits is 2048, while the sum is 22.

The square root of 4244224 is about 2060.1514507434. The cubic root of 4244224 is about 161.9071764126.

Adding to 4244224 its reverse (4224424), we get a palindrome (8468648).

The spelling of 4244224 in words is "four million, two hundred forty-four thousand, two hundred twenty-four".