4424144 has 20 divisors (see below), whose sum is σ = 8701824. Its totient is φ = 2178528.

The previous prime is 4424143. The next prime is 4424171. The reversal of 4424144 is 4414244.

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 (4424143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992 + ... + 3135.

Almost surely, 2^4424144 is an apocalyptic number.

It is an amenable number.

4424144 is a deficient number, since it is larger than the sum of its proper divisors (4277680).

4424144 is a wasteful number, since it uses less digits than its factorization.

4424144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202 (or 4196 counting only the distinct ones).

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

The square root of 4424144 is about 2103.3649231648. The cubic root of 4424144 is about 164.1634301829.

Adding to 4424144 its reverse (4414244), we get a palindrome (8838388).

The spelling of 4424144 in words is "four million, four hundred twenty-four thousand, one hundred forty-four".