222123162197 has 2 divisors, whose sum is σ = 222123162198. Its totient is φ = 222123162196.

The previous prime is 222123162133. The next prime is 222123162199. The reversal of 222123162197 is 791261321222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211783119601 + 10340042596 = 460199^2 + 101686^2 .

It is a cyclic number.

It is not a de Polignac number, because 222123162197 - 2⁶ = 222123162133 is a prime.

Together with 222123162199, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222123162197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222123162199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061581098 + 111061581099.

It is an arithmetic number, because the mean of its divisors is an integer number (111061581099).

Almost surely, 2^222123162197 is an apocalyptic number.

It is an amenable number.

222123162197 is a deficient number, since it is larger than the sum of its proper divisors (1).

222123162197 is an equidigital number, since it uses as much as digits as its factorization.

222123162197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The spelling of 222123162197 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred sixty-two thousand, one hundred ninety-seven".