22135318297 has 2 divisors, whose sum is σ = 22135318298. Its totient is φ = 22135318296.

The previous prime is 22135318279. The next prime is 22135318319. The reversal of 22135318297 is 79281353122.

Together with previous prime (22135318279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19500446736 + 2634871561 = 139644^2 + 51331^2 .

It is a cyclic number.

It is not a de Polignac number, because 22135318297 - 2¹⁹ = 22134794009 is a prime.

It is a super-2 number, since 2×22135318297² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22135318897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11067659148 + 11067659149.

It is an arithmetic number, because the mean of its divisors is an integer number (11067659149).

Almost surely, 2^22135318297 is an apocalyptic number.

It is an amenable number.

22135318297 is a deficient number, since it is larger than the sum of its proper divisors (1).

22135318297 is an equidigital number, since it uses as much as digits as its factorization.

22135318297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The spelling of 22135318297 in words is "twenty-two billion, one hundred thirty-five million, three hundred eighteen thousand, two hundred ninety-seven".