20222222113 has 2 divisors, whose sum is σ = 20222222114. Its totient is φ = 20222222112.

The previous prime is 20222222107. The next prime is 20222222213. The reversal of 20222222113 is 31122222202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17039908369 + 3182313744 = 130537^2 + 56412^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222222113 - 2²⁹ = 19685351201 is a prime.

It is not a weakly prime, because it can be changed into another prime (20222222213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111111056 + 10111111057.

It is an arithmetic number, because the mean of its divisors is an integer number (10111111057).

Almost surely, 2^20222222113 is an apocalyptic number.

It is an amenable number.

20222222113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222222113 is an equidigital number, since it uses as much as digits as its factorization.

20222222113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20222222113 its reverse (31122222202), we get a palindrome (51344444315).

The spelling of 20222222113 in words is "twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred thirteen".