22135698569 has 2 divisors, whose sum is σ = 22135698570. Its totient is φ = 22135698568.

The previous prime is 22135698547. The next prime is 22135698581. The reversal of 22135698569 is 96589653122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17486095225 + 4649603344 = 132235^2 + 68188^2 .

It is a cyclic number.

It is not a de Polignac number, because 22135698569 - 2²⁰ = 22134649993 is a prime.

It is a super-2 number, since 2×22135698569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22135898569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11067849284 + 11067849285.

It is an arithmetic number, because the mean of its divisors is an integer number (11067849285).

Almost surely, 2^22135698569 is an apocalyptic number.

It is an amenable number.

22135698569 is a deficient number, since it is larger than the sum of its proper divisors (1).

22135698569 is an equidigital number, since it uses as much as digits as its factorization.

22135698569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6998400, while the sum is 56.

The spelling of 22135698569 in words is "twenty-two billion, one hundred thirty-five million, six hundred ninety-eight thousand, five hundred sixty-nine".