3222200022221 has 2 divisors, whose sum is σ = 3222200022222. Its totient is φ = 3222200022220.

The previous prime is 3222200022203. The next prime is 3222200022227. The reversal of 3222200022221 is 1222200022223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2240140824100 + 982059198121 = 1496710^2 + 990989^2 .

It is a cyclic number.

It is not a de Polignac number, because 3222200022221 - 2⁶ = 3222200022157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3222200022193 and 3222200022202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3222200022227) 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, 1611100011110 + 1611100011111.

It is an arithmetic number, because the mean of its divisors is an integer number (1611100011111).

Almost surely, 2^{3222200022221} is an apocalyptic number.

It is an amenable number.

3222200022221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3222200022221 is an equidigital number, since it uses as much as digits as its factorization.

3222200022221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 3222200022221 its reverse (1222200022223), we get a palindrome (4444400044444).

It can be divided in two parts, 322220002 and 2221, that added together give a palindrome (322222223).

The spelling of 3222200022221 in words is "three trillion, two hundred twenty-two billion, two hundred million, twenty-two thousand, two hundred twenty-one".