4502220 has 24 divisors (see below), whose sum is σ = 12606384. Its totient is φ = 1200576.

The previous prime is 4502213. The next prime is 4502237. The reversal of 4502220 is 222054.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4502220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37459 + ... + 37578.

It is an arithmetic number, because the mean of its divisors is an integer number (525266).

Almost surely, 2^4502220 is an apocalyptic number.

It is an amenable number.

4502220 is an abundant number, since it is smaller than the sum of its proper divisors (8104164).

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

4502220 is a wasteful number, since it uses less digits than its factorization.

4502220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75049 (or 75047 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 4502220 is about 2121.8435380584. The cubic root of 4502220 is about 165.1235071610.

Adding to 4502220 its reverse (222054), we get a palindrome (4724274).

The spelling of 4502220 in words is "four million, five hundred two thousand, two hundred twenty".