3221133257 has 2 divisors, whose sum is σ = 3221133258. Its totient is φ = 3221133256.

The previous prime is 3221133197. The next prime is 3221133263. The reversal of 3221133257 is 7523311223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2185001536 + 1036131721 = 46744^2 + 32189^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221133257 - 2²⁴ = 3204356041 is a prime.

It is not a weakly prime, because it can be changed into another prime (3221133277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610566628 + 1610566629.

It is an arithmetic number, because the mean of its divisors is an integer number (1610566629).

Almost surely, 2^3221133257 is an apocalyptic number.

It is an amenable number.

3221133257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221133257 is an equidigital number, since it uses as much as digits as its factorization.

3221133257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 3221133257 is about 56755.0284732551. The cubic root of 3221133257 is about 1476.8494669864.

The spelling of 3221133257 in words is "three billion, two hundred twenty-one million, one hundred thirty-three thousand, two hundred fifty-seven".