3232001221 has 2 divisors, whose sum is σ = 3232001222. Its totient is φ = 3232001220.

The previous prime is 3232001207. The next prime is 3232001263. The reversal of 3232001221 is 1221002323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3159564100 + 72437121 = 56210^2 + 8511^2 .

It is a cyclic number.

It is not a de Polignac number, because 3232001221 - 2²⁵ = 3198446789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3232001195 and 3232001204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3232001021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1616000610 + 1616000611.

It is an arithmetic number, because the mean of its divisors is an integer number (1616000611).

Almost surely, 2^3232001221 is an apocalyptic number.

It is an amenable number.

3232001221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3232001221 is an equidigital number, since it uses as much as digits as its factorization.

3232001221 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3232001221 is about 56850.6923528641. The cubic root of 3232001221 is about 1478.5085445286.

Adding to 3232001221 its reverse (1221002323), we get a palindrome (4453003544).

The spelling of 3232001221 in words is "three billion, two hundred thirty-two million, one thousand, two hundred twenty-one".