3322322221 has 2 divisors, whose sum is σ = 3322322222. Its totient is φ = 3322322220.

The previous prime is 3322322219. The next prime is 3322322249. The reversal of 3322322221 is 1222232233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3304640196 + 17682025 = 57486^2 + 4205^2 .

It is an emirp because it is prime and its reverse (1222232233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3322322221 - 2¹ = 3322322219 is a prime.

It is a super-2 number, since 2×3322322221² = 22075649880300745682, which contains 22 as substring.

Together with 3322322219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3322322192 and 3322322201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3322322281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1661161110 + 1661161111.

It is an arithmetic number, because the mean of its divisors is an integer number (1661161111).

Almost surely, 2^3322322221 is an apocalyptic number.

It is an amenable number.

3322322221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3322322221 is an equidigital number, since it uses as much as digits as its factorization.

3322322221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 22.

The square root of 3322322221 is about 57639.5890079032. The cubic root of 3322322221 is about 1492.1549259984.

Adding to 3322322221 its reverse (1222232233), we get a palindrome (4544554454).

The spelling of 3322322221 in words is "three billion, three hundred twenty-two million, three hundred twenty-two thousand, two hundred twenty-one".