4304220 has 48 divisors (see below), whose sum is σ = 12579840. Its totient is φ = 1097536.

The previous prime is 4304219. The next prime is 4304231. The reversal of 4304220 is 224034.

4304220 = 730² + 731² + ... + 737².

It is a happy number.

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 4304220.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 180 + ... + 2939.

It is an arithmetic number, because the mean of its divisors is an integer number (262080).

Almost surely, 2^4304220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4304220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6289920).

4304220 is an abundant number, since it is smaller than the sum of its proper divisors (8275620).

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

4304220 is a wasteful number, since it uses less digits than its factorization.

4304220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154 (or 3152 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4304220 is about 2074.6614181596. The cubic root of 4304220 is about 162.6665117649. Note that the first 3 decimals are identical.

Adding to 4304220 its reverse (224034), we get a palindrome (4528254).

The spelling of 4304220 in words is "four million, three hundred four thousand, two hundred twenty".