22103310197 has 2 divisors, whose sum is σ = 22103310198. Its totient is φ = 22103310196.

The previous prime is 22103310191. The next prime is 22103310241. The reversal of 22103310197 is 79101330122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16000732036 + 6102578161 = 126494^2 + 78119^2 .

It is a cyclic number.

It is not a de Polignac number, because 22103310197 - 2⁶ = 22103310133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22103310191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051655098 + 11051655099.

It is an arithmetic number, because the mean of its divisors is an integer number (11051655099).

Almost surely, 2^22103310197 is an apocalyptic number.

It is an amenable number.

22103310197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22103310197 is an equidigital number, since it uses as much as digits as its factorization.

22103310197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 22103310197 in words is "twenty-two billion, one hundred three million, three hundred ten thousand, one hundred ninety-seven".