20222222213 has 2 divisors, whose sum is σ = 20222222214. Its totient is φ = 20222222212.

The previous prime is 20222222113. The next prime is 20222222221. The reversal of 20222222213 is 31222222202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16684113889 + 3538108324 = 129167^2 + 59482^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222222213 - 2¹⁶ = 20222156677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222222233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111111106 + 10111111107.

It is an arithmetic number, because the mean of its divisors is an integer number (10111111107).

Almost surely, 2^20222222213 is an apocalyptic number.

It is an amenable number.

20222222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222222213 is an equidigital number, since it uses as much as digits as its factorization.

20222222213 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 20222222213 its reverse (31222222202), we get a palindrome (51444444415).

The spelling of 20222222213 in words is "twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred thirteen".