22135189169 has 2 divisors, whose sum is σ = 22135189170. Its totient is φ = 22135189168.

The previous prime is 22135189159. The next prime is 22135189243. The reversal of 22135189169 is 96198153122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20445568144 + 1689621025 = 142988^2 + 41105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22135189169 is a prime.

It is a super-2 number, since 2×22135189169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22135189159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11067594584 + 11067594585.

It is an arithmetic number, because the mean of its divisors is an integer number (11067594585).

Almost surely, 2^22135189169 is an apocalyptic number.

It is an amenable number.

22135189169 is a deficient number, since it is larger than the sum of its proper divisors (1).

22135189169 is an equidigital number, since it uses as much as digits as its factorization.

22135189169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 47.

The spelling of 22135189169 in words is "twenty-two billion, one hundred thirty-five million, one hundred eighty-nine thousand, one hundred sixty-nine".