22210220010197 has 2 divisors, whose sum is σ = 22210220010198. Its totient is φ = 22210220010196.

The previous prime is 22210220010059. The next prime is 22210220010229. The reversal of 22210220010197 is 79101002201222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19738551810481 + 2471668199716 = 4442809^2 + 1572154^2 .

It is a cyclic number.

It is not a de Polignac number, because 22210220010197 - 2²⁴ = 22210203232981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22210220010497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105110005098 + 11105110005099.

It is an arithmetic number, because the mean of its divisors is an integer number (11105110005099).

Almost surely, 2^{22210220010197} is an apocalyptic number.

It is an amenable number.

22210220010197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22210220010197 is an equidigital number, since it uses as much as digits as its factorization.

22210220010197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 22210220010197 in words is "twenty-two trillion, two hundred ten billion, two hundred twenty million, ten thousand, one hundred ninety-seven".