4502221 has 8 divisors (see below), whose sum is σ = 4903200. Its totient is φ = 4117680.

The previous prime is 4502213. The next prime is 4502237. The reversal of 4502221 is 1222054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4502221 - 2³ = 4502213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4502195 and 4502204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4502261) 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, 3535 + ... + 4636.

It is an arithmetic number, because the mean of its divisors is an integer number (612900).

Almost surely, 2^4502221 is an apocalyptic number.

It is an amenable number.

4502221 is a deficient number, since it is larger than the sum of its proper divisors (400979).

4502221 is a wasteful number, since it uses less digits than its factorization.

4502221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4502221 is about 2121.8437737025. The cubic root of 4502221 is about 165.1235193864.

Adding to 4502221 its reverse (1222054), we get a palindrome (5724275).

The spelling of 4502221 in words is "four million, five hundred two thousand, two hundred twenty-one".