4440231 has 16 divisors (see below), whose sum is σ = 6720000. Its totient is φ = 2896344.

The previous prime is 4440221. The next prime is 4440239. The reversal of 4440231 is 1320444.

It is not a de Polignac number, because 4440231 - 2⁵ = 4440199 is a prime.

It is a super-2 number, since 2×4440231² = 39431302666722, which contains 22 as substring.

4440231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481 + ... + 3018.

It is an arithmetic number, because the mean of its divisors is an integer number (420000).

Almost surely, 2^4440231 is an apocalyptic number.

4440231 is a deficient number, since it is larger than the sum of its proper divisors (2279769).

4440231 is a wasteful number, since it uses less digits than its factorization.

4440231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555 (or 3549 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4440231 is about 2107.1855637319. The cubic root of 4440231 is about 164.3621656236.

Adding to 4440231 its reverse (1320444), we get a palindrome (5760675).

The spelling of 4440231 in words is "four million, four hundred forty thousand, two hundred thirty-one".