3220220304 has 120 divisors (see below), whose sum is σ = 10344552192. Its totient is φ = 916047360.

The previous prime is 3220220299. The next prime is 3220220321. The reversal of 3220220304 is 4030220223.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228009 + ... + 241719.

Almost surely, 2^3220220304 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 3220220304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5172276096).

3220220304 is an abundant number, since it is smaller than the sum of its proper divisors (7124331888).

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

3220220304 is a wasteful number, since it uses less digits than its factorization.

3220220304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13965 (or 13956 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3220220304 is about 56746.9849771774. The cubic root of 3220220304 is about 1476.7099279438.

Adding to 3220220304 its reverse (4030220223), we get a palindrome (7250440527).

The spelling of 3220220304 in words is "three billion, two hundred twenty million, two hundred twenty thousand, three hundred four".