3302231221 has 2 divisors, whose sum is σ = 3302231222. Its totient is φ = 3302231220.

The previous prime is 3302231209. The next prime is 3302231227. The reversal of 3302231221 is 1221322033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1805315121 + 1496916100 = 42489^2 + 38690^2 .

It is a cyclic number.

It is not a de Polignac number, because 3302231221 - 2¹¹ = 3302229173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3302231227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1651115610 + 1651115611.

It is an arithmetic number, because the mean of its divisors is an integer number (1651115611).

Almost surely, 2^3302231221 is an apocalyptic number.

It is an amenable number.

3302231221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3302231221 is an equidigital number, since it uses as much as digits as its factorization.

3302231221 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 3302231221 is about 57465.0434699218. The cubic root of 3302231221 is about 1489.1410181892.

Adding to 3302231221 its reverse (1221322033), we get a palindrome (4523553254).

The spelling of 3302231221 in words is "three billion, three hundred two million, two hundred thirty-one thousand, two hundred twenty-one".