3205221332304 has 80 divisors (see below), whose sum is σ = 8768747335680. Its totient is φ = 1005384806400.

The previous prime is 3205221332279. The next prime is 3205221332309. The reversal of 3205221332304 is 4032331225023.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205221332309) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4395057 + ... + 5072175.

It is an arithmetic number, because the mean of its divisors is an integer number (109609341696).

Almost surely, 2^{3205221332304} is an apocalyptic number.

3205221332304 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3205221332304 is an abundant number, since it is smaller than the sum of its proper divisors (5563526003376).

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

3205221332304 is a wasteful number, since it uses less digits than its factorization.

3205221332304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682948 (or 682942 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 3205221332304 its reverse (4032331225023), we get a palindrome (7237552557327).

The spelling of 3205221332304 in words is "three trillion, two hundred five billion, two hundred twenty-one million, three hundred thirty-two thousand, three hundred four".