4224444 has 24 divisors (see below), whose sum is σ = 11265408. Its totient is φ = 1206960.

The previous prime is 4224443. The next prime is 4224457. The reversal of 4224444 is 4444224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25062 + ... + 25229.

It is an arithmetic number, because the mean of its divisors is an integer number (469392).

Almost surely, 2^4224444 is an apocalyptic number.

It is an amenable number.

4224444 is an abundant number, since it is smaller than the sum of its proper divisors (7040964).

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

4224444 is a wasteful number, since it uses less digits than its factorization.

4224444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50305 (or 50303 counting only the distinct ones).

The product of its digits is 4096, while the sum is 24.

The square root of 4224444 is about 2055.3452264766. The cubic root of 4224444 is about 161.6552644856.

Adding to 4224444 its reverse (4444224), we get a palindrome (8668668).

The spelling of 4224444 in words is "four million, two hundred twenty-four thousand, four hundred forty-four".