22331300197 has 2 divisors, whose sum is σ = 22331300198. Its totient is φ = 22331300196.

The previous prime is 22331300179. The next prime is 22331300207. The reversal of 22331300197 is 79100313322.

It is a happy number.

Together with previous prime (22331300179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17142403041 + 5188897156 = 130929^2 + 72034^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22331300197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22331307197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11165650098 + 11165650099.

It is an arithmetic number, because the mean of its divisors is an integer number (11165650099).

Almost surely, 2^22331300197 is an apocalyptic number.

It is an amenable number.

22331300197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22331300197 is an equidigital number, since it uses as much as digits as its factorization.

22331300197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 22331300197 in words is "twenty-two billion, three hundred thirty-one million, three hundred thousand, one hundred ninety-seven".