3201032221 has 16 divisors (see below), whose sum is σ = 3420334080. Its totient is φ = 2985304320.

The previous prime is 3201032207. The next prime is 3201032269. The reversal of 3201032221 is 1222301023.

It is a cyclic number.

It is not a de Polignac number, because 3201032221 - 2⁵ = 3201032189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3201032195 and 3201032204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201032921) 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, 897640 + ... + 901198.

It is an arithmetic number, because the mean of its divisors is an integer number (213770880).

Almost surely, 2^3201032221 is an apocalyptic number.

It is an amenable number.

3201032221 is a deficient number, since it is larger than the sum of its proper divisors (219301859).

3201032221 is a wasteful number, since it uses less digits than its factorization.

3201032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3201032221 is about 56577.6653901520. The cubic root of 3201032221 is about 1473.7710297007.

Adding to 3201032221 its reverse (1222301023), we get a palindrome (4423333244).

The spelling of 3201032221 in words is "three billion, two hundred one million, thirty-two thousand, two hundred twenty-one".