22434518429 has 2 divisors, whose sum is σ = 22434518430. Its totient is φ = 22434518428.

The previous prime is 22434518369. The next prime is 22434518461. The reversal of 22434518429 is 92481543422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22377168100 + 57350329 = 149590^2 + 7573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22434518429 is a prime.

It is a super-2 number, since 2×22434518429² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22434518429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22434578429) 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, 11217259214 + 11217259215.

It is an arithmetic number, because the mean of its divisors is an integer number (11217259215).

Almost surely, 2^22434518429 is an apocalyptic number.

It is an amenable number.

22434518429 is a deficient number, since it is larger than the sum of its proper divisors (1).

22434518429 is an equidigital number, since it uses as much as digits as its factorization.

22434518429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 44.

The spelling of 22434518429 in words is "twenty-two billion, four hundred thirty-four million, five hundred eighteen thousand, four hundred twenty-nine".