4501220 has 12 divisors (see below), whose sum is σ = 9452604. Its totient is φ = 1800480.

The previous prime is 4501219. The next prime is 4501223. The reversal of 4501220 is 221054.

4501220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2795584 + 1705636 = 1672^2 + 1306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4501195 and 4501204.

It is not an unprimeable number, because it can be changed into a prime (4501223) 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 3 ways as a sum of consecutive naturals, for example, 112511 + ... + 112550.

It is an arithmetic number, because the mean of its divisors is an integer number (787717).

Almost surely, 2^4501220 is an apocalyptic number.

It is an amenable number.

4501220 is an abundant number, since it is smaller than the sum of its proper divisors (4951384).

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

4501220 is a wasteful number, since it uses less digits than its factorization.

4501220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225070 (or 225068 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4501220 is about 2121.6078808300. The cubic root of 4501220 is about 165.1112809160. Note that the first 3 decimals are identical.

Adding to 4501220 its reverse (221054), we get a palindrome (4722274).

The spelling of 4501220 in words is "four million, five hundred one thousand, two hundred twenty".