4421444 has 12 divisors (see below), whose sum is σ = 7761600. Its totient is φ = 2203848.

The previous prime is 4421423. The next prime is 4421447. The reversal of 4421444 is 4441244.

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

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4421447) 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 3 ways as a sum of consecutive naturals, for example, 104 + ... + 2975.

It is an arithmetic number, because the mean of its divisors is an integer number (646800).

Almost surely, 2^4421444 is an apocalyptic number.

It is an amenable number.

4421444 is a deficient number, since it is larger than the sum of its proper divisors (3340156).

4421444 is a wasteful number, since it uses less digits than its factorization.

4421444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442 (or 3440 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 4421444 is about 2102.7229964976. The cubic root of 4421444 is about 164.1300277544.

Adding to 4421444 its reverse (4441244), we get a palindrome (8862688).

The spelling of 4421444 in words is "four million, four hundred twenty-one thousand, four hundred forty-four".