3022122221 has 2 divisors, whose sum is σ = 3022122222. Its totient is φ = 3022122220.

The previous prime is 3022122209. The next prime is 3022122227. The reversal of 3022122221 is 1222212203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2877786025 + 144336196 = 53645^2 + 12014^2 .

It is a cyclic number.

It is not a de Polignac number, because 3022122221 - 2¹⁴ = 3022105837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3022122221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3022122227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1511061110 + 1511061111.

It is an arithmetic number, because the mean of its divisors is an integer number (1511061111).

Almost surely, 2^3022122221 is an apocalyptic number.

It is an amenable number.

3022122221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3022122221 is an equidigital number, since it uses as much as digits as its factorization.

3022122221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3022122221 is about 54973.8321476682. The cubic root of 3022122221 is about 1445.7859767846.

Adding to 3022122221 its reverse (1222212203), we get a palindrome (4244334424).

The spelling of 3022122221 in words is "three billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-one".