222222012097 has 2 divisors, whose sum is σ = 222222012098. Its totient is φ = 222222012096.

The previous prime is 222222012091. The next prime is 222222012137. The reversal of 222222012097 is 790210222222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164913961216 + 57308050881 = 406096^2 + 239391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222222012097 is a prime.

It is not a weakly prime, because it can be changed into another prime (222222012091) 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, 111111006048 + 111111006049.

It is an arithmetic number, because the mean of its divisors is an integer number (111111006049).

Almost surely, 2^222222012097 is an apocalyptic number.

It is an amenable number.

222222012097 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222012097 is an equidigital number, since it uses as much as digits as its factorization.

222222012097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 222222012097 in words is "two hundred twenty-two billion, two hundred twenty-two million, twelve thousand, ninety-seven".