3239932221 has 12 divisors (see below), whose sum is σ = 4691023740. Its totient is φ = 2154821760.

The previous prime is 3239932187. The next prime is 3239932243. The reversal of 3239932221 is 1222399323.

3239932221 is a `hidden beast` number, since 323 + 9 + 9 + 322 + 2 + 1 = 666.

3239932221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1122920100 + 2117012121 = 33510^2 + 46011^2 .

It is not a de Polignac number, because 3239932221 - 2⁷ = 3239932093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3239932261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423756 + ... + 431333.

It is an arithmetic number, because the mean of its divisors is an integer number (390918645).

Almost surely, 2^3239932221 is an apocalyptic number.

It is an amenable number.

3239932221 is a deficient number, since it is larger than the sum of its proper divisors (1451091519).

3239932221 is a wasteful number, since it uses less digits than its factorization.

3239932221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855516 (or 855513 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 3239932221 is about 56920.4025020906. The cubic root of 3239932221 is about 1479.7169261690.

It can be divided in two parts, 32399 and 32221, that added together give a triangular number (64620 = T₃₅₉).

The spelling of 3239932221 in words is "three billion, two hundred thirty-nine million, nine hundred thirty-two thousand, two hundred twenty-one".