222222022012117 has 2 divisors, whose sum is σ = 222222022012118. Its totient is φ = 222222022012116.

The previous prime is 222222022012097. The next prime is 222222022012171. The reversal of 222222022012117 is 711210220222222.

222222022012117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (222222022012171) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132758534923921 + 89463487088196 = 11522089^2 + 9458514^2 .

It is a cyclic number.

It is not a de Polignac number, because 222222022012117 - 2¹¹ = 222222022010069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222222022042117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111011006058 + 111111011006059.

It is an arithmetic number, because the mean of its divisors is an integer number (111111011006059).

Almost surely, 2^{222222022012117} is an apocalyptic number.

It is an amenable number.

222222022012117 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222022012117 is an equidigital number, since it uses as much as digits as its factorization.

222222022012117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 222222022012117 its reverse (711210220222222), we get a palindrome (933432242234339).

The spelling of 222222022012117 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-two million, twelve thousand, one hundred seventeen".