3202001221 has 12 divisors (see below), whose sum is σ = 3452222368. Its totient is φ = 2968650432.

The previous prime is 3202001207. The next prime is 3202001249. The reversal of 3202001221 is 1221002023.

It is not a de Polignac number, because 3202001221 - 2⁹ = 3202000709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3202001021) 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, 63321 + ... + 102046.

Almost surely, 2^3202001221 is an apocalyptic number.

It is an amenable number.

3202001221 is a deficient number, since it is larger than the sum of its proper divisors (250221147).

3202001221 is a wasteful number, since it uses less digits than its factorization.

3202001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165468 (or 165451 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3202001221 is about 56586.2281920257. The cubic root of 3202001221 is about 1473.9197254914.

Adding to 3202001221 its reverse (1221002023), we get a palindrome (4423003244).

The spelling of 3202001221 in words is "three billion, two hundred two million, one thousand, two hundred twenty-one".