3264270221 has 2 divisors, whose sum is σ = 3264270222. Its totient is φ = 3264270220.

The previous prime is 3264270169. The next prime is 3264270241. The reversal of 3264270221 is 1220724623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3193945225 + 70324996 = 56515^2 + 8386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3264270221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3264270241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1632135110 + 1632135111.

It is an arithmetic number, because the mean of its divisors is an integer number (1632135111).

Almost surely, 2^3264270221 is an apocalyptic number.

It is an amenable number.

3264270221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3264270221 is an equidigital number, since it uses as much as digits as its factorization.

3264270221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 3264270221 is about 57133.7922861768. The cubic root of 3264270221 is about 1483.4128418547.

Adding to 3264270221 its reverse (1220724623), we get a palindrome (4484994844).

The spelling of 3264270221 in words is "three billion, two hundred sixty-four million, two hundred seventy thousand, two hundred twenty-one".