3312032221 has 2 divisors, whose sum is σ = 3312032222. Its totient is φ = 3312032220.

The previous prime is 3312032183. The next prime is 3312032233. The reversal of 3312032221 is 1222302133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3290743225 + 21288996 = 57365^2 + 4614^2 .

It is a cyclic number.

It is not a de Polignac number, because 3312032221 - 2¹⁷ = 3311901149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3312092221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656016110 + 1656016111.

It is an arithmetic number, because the mean of its divisors is an integer number (1656016111).

Almost surely, 2^3312032221 is an apocalyptic number.

It is an amenable number.

3312032221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312032221 is an equidigital number, since it uses as much as digits as its factorization.

3312032221 is an evil number, because the sum of its binary digits is even.

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

The square root of 3312032221 is about 57550.2582183608. The cubic root of 3312032221 is about 1490.6128165529.

Adding to 3312032221 its reverse (1222302133), we get a palindrome (4534334354).

It can be divided in two parts, 33120 and 32221, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 3312032221 in words is "three billion, three hundred twelve million, thirty-two thousand, two hundred twenty-one".