3201221332 has 6 divisors (see below), whose sum is σ = 5602137338. Its totient is φ = 1600610664.

The previous prime is 3201221321. The next prime is 3201221333. The reversal of 3201221332 is 2331221023.

It can be written as a sum of positive squares in only one way, i.e., 2923132356 + 278088976 = 54066^2 + 16676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201221333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400152663 + ... + 400152670.

Almost surely, 2^3201221332 is an apocalyptic number.

It is an amenable number.

3201221332 is a deficient number, since it is larger than the sum of its proper divisors (2400916006).

3201221332 is a wasteful number, since it uses less digits than its factorization.

3201221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800305337 (or 800305335 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3201221332 is about 56579.3366168251. The cubic root of 3201221332 is about 1473.8000516750.

Adding to 3201221332 its reverse (2331221023), we get a palindrome (5532442355).

The spelling of 3201221332 in words is "three billion, two hundred one million, two hundred twenty-one thousand, three hundred thirty-two".