22000222117 has 2 divisors, whose sum is σ = 22000222118. Its totient is φ = 22000222116.

The previous prime is 22000222099. The next prime is 22000222129. The reversal of 22000222117 is 71122200022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16524074116 + 5476148001 = 128546^2 + 74001^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000222117 - 2⁷ = 22000221989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22000222094 and 22000222103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22000222147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000111058 + 11000111059.

It is an arithmetic number, because the mean of its divisors is an integer number (11000111059).

Almost surely, 2^22000222117 is an apocalyptic number.

It is an amenable number.

22000222117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000222117 is an equidigital number, since it uses as much as digits as its factorization.

22000222117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 22000222117 its reverse (71122200022), we get a palindrome (93122422139).

The spelling of 22000222117 in words is "twenty-two billion, two hundred twenty-two thousand, one hundred seventeen".