22134617509 has 2 divisors, whose sum is σ = 22134617510. Its totient is φ = 22134617508.

The previous prime is 22134617471. The next prime is 22134617539. The reversal of 22134617509 is 90571643122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16224390625 + 5910226884 = 127375^2 + 76878^2 .

It is a cyclic number.

It is not a de Polignac number, because 22134617509 - 2¹⁵ = 22134584741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22134617539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11067308754 + 11067308755.

It is an arithmetic number, because the mean of its divisors is an integer number (11067308755).

Almost surely, 2^22134617509 is an apocalyptic number.

It is an amenable number.

22134617509 is a deficient number, since it is larger than the sum of its proper divisors (1).

22134617509 is an equidigital number, since it uses as much as digits as its factorization.

22134617509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 22134617509 in words is "twenty-two billion, one hundred thirty-four million, six hundred seventeen thousand, five hundred nine".