4224424 has 8 divisors (see below), whose sum is σ = 7920810. Its totient is φ = 2112208.

The previous prime is 4224397. The next prime is 4224427. The reversal of 4224424 is 4244224.

It can be written as a sum of positive squares in only one way, i.e., 4072324 + 152100 = 2018^2 + 390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a junction number, because it is equal to n+sod(n) for n = 4224395 and 4224404.

It is not an unprimeable number, because it can be changed into a prime (4224427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264019 + ... + 264034.

Almost surely, 2^4224424 is an apocalyptic number.

It is an amenable number.

4224424 is a deficient number, since it is larger than the sum of its proper divisors (3696386).

4224424 is a wasteful number, since it uses less digits than its factorization.

4224424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528059 (or 528055 counting only the distinct ones).

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

The square root of 4224424 is about 2055.3403611081. The cubic root of 4224424 is about 161.6550093743.

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

The spelling of 4224424 in words is "four million, two hundred twenty-four thousand, four hundred twenty-four".