3205500244221 has 16 divisors (see below), whose sum is σ = 4662617707008. Its totient is φ = 1942697463600.

The previous prime is 3205500244183. The next prime is 3205500244223. The reversal of 3205500244221 is 1224420055023.

3205500244221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3205500244221 - 2¹⁴ = 3205500227837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205500244223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1526760 + ... + 2956686.

It is an arithmetic number, because the mean of its divisors is an integer number (291413606688).

Almost surely, 2^{3205500244221} is an apocalyptic number.

It is an amenable number.

3205500244221 is a deficient number, since it is larger than the sum of its proper divisors (1457117462787).

3205500244221 is a wasteful number, since it uses less digits than its factorization.

3205500244221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497872.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 3205500244221 its reverse (1224420055023), we get a palindrome (4429920299244).

The spelling of 3205500244221 in words is "three trillion, two hundred five billion, five hundred million, two hundred forty-four thousand, two hundred twenty-one".