222123162097 has 2 divisors, whose sum is σ = 222123162098. Its totient is φ = 222123162096.

The previous prime is 222123162071. The next prime is 222123162133. The reversal of 222123162097 is 790261321222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210019641841 + 12103520256 = 458279^2 + 110016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222123162097 is a prime.

It is not a weakly prime, because it can be changed into another prime (222123162017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061581048 + 111061581049.

It is an arithmetic number, because the mean of its divisors is an integer number (111061581049).

Almost surely, 2^222123162097 is an apocalyptic number.

It is an amenable number.

222123162097 is a deficient number, since it is larger than the sum of its proper divisors (1).

222123162097 is an equidigital number, since it uses as much as digits as its factorization.

222123162097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 222123162097 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred sixty-two thousand, ninety-seven".