3220402304 has 64 divisors (see below), whose sum is σ = 7481904000. Its totient is φ = 1380153600.

The previous prime is 3220402291. The next prime is 3220402313. The reversal of 3220402304 is 4032040223.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 7229 + ... + 80579.

It is an arithmetic number, because the mean of its divisors is an integer number (116904750).

Almost surely, 2^3220402304 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 3220402304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3740952000).

3220402304 is an abundant number, since it is smaller than the sum of its proper divisors (4261501696).

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

3220402304 is an frugal number, since it uses more digits than its factorization.

3220402304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73386 (or 73360 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3220402304 is about 56748.5885639458. The cubic root of 3220402304 is about 1476.7377475875.

Adding to 3220402304 its reverse (4032040223), we get a palindrome (7252442527).

The spelling of 3220402304 in words is "three billion, two hundred twenty million, four hundred two thousand, three hundred four".