3221025205 has 8 divisors (see below), whose sum is σ = 3866896800. Its totient is φ = 2575709136.

The previous prime is 3221025193. The next prime is 3221025229. The reversal of 3221025205 is 5025201223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3221025205 - 2²⁵ = 3187470773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126015 + ... + 149404.

It is an arithmetic number, because the mean of its divisors is an integer number (483362100).

Almost surely, 2^3221025205 is an apocalyptic number.

It is an amenable number.

3221025205 is a deficient number, since it is larger than the sum of its proper divisors (645871595).

3221025205 is a wasteful number, since it uses less digits than its factorization.

3221025205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277763.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 3221025205 is about 56754.0765496189. The cubic root of 3221025205 is about 1476.8329533031.

Adding to 3221025205 its reverse (5025201223), we get a palindrome (8246226428).

The spelling of 3221025205 in words is "three billion, two hundred twenty-one million, twenty-five thousand, two hundred five".