22232313217 has 2 divisors, whose sum is σ = 22232313218. Its totient is φ = 22232313216.

The previous prime is 22232313197. The next prime is 22232313223. The reversal of 22232313217 is 71231323222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13674028096 + 8558285121 = 116936^2 + 92511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22232313217 is a prime.

It is not a weakly prime, because it can be changed into another prime (22232313317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116156608 + 11116156609.

It is an arithmetic number, because the mean of its divisors is an integer number (11116156609).

Almost surely, 2^22232313217 is an apocalyptic number.

It is an amenable number.

22232313217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22232313217 is an equidigital number, since it uses as much as digits as its factorization.

22232313217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 28.

Adding to 22232313217 its reverse (71231323222), we get a palindrome (93463636439).

The spelling of 22232313217 in words is "twenty-two billion, two hundred thirty-two million, three hundred thirteen thousand, two hundred seventeen".