4500220 has 24 divisors (see below), whose sum is σ = 9777600. Its totient is φ = 1737792.

The previous prime is 4500217. The next prime is 4500229. The reversal of 4500220 is 220054.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4500220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4500229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3300 + ... + 4459.

It is an arithmetic number, because the mean of its divisors is an integer number (407400).

Almost surely, 2^4500220 is an apocalyptic number.

It is an amenable number.

4500220 is an abundant number, since it is smaller than the sum of its proper divisors (5277380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4500220 is a wasteful number, since it uses less digits than its factorization.

4500220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7797 (or 7795 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 4500220 is about 2121.3721974232. The cubic root of 4500220 is about 165.0990528601.

Adding to 4500220 its reverse (220054), we get a palindrome (4720274).

The spelling of 4500220 in words is "four million, five hundred thousand, two hundred twenty".