4489221 has 24 divisors (see below), whose sum is σ = 6703200. Its totient is φ = 2669920.

The previous prime is 4489193. The next prime is 4489237. The reversal of 4489221 is 1229844.

It is not a de Polignac number, because 4489221 - 2⁵ = 4489189 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30055 + ... + 30203.

It is an arithmetic number, because the mean of its divisors is an integer number (279300).

Almost surely, 2^4489221 is an apocalyptic number.

It is an amenable number.

4489221 is a deficient number, since it is larger than the sum of its proper divisors (2213979).

4489221 is a wasteful number, since it uses less digits than its factorization.

4489221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 246 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 4489221 is about 2118.7781856532. The cubic root of 4489221 is about 164.9644367799.

It can be divided in two parts, 448 and 9221, that added together give a palindrome (9669).

The spelling of 4489221 in words is "four million, four hundred eighty-nine thousand, two hundred twenty-one".