22505835839 has 2 divisors, whose sum is σ = 22505835840. Its totient is φ = 22505835838.

The previous prime is 22505835827. The next prime is 22505835949. The reversal of 22505835839 is 93853850522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22505835839 - 2¹² = 22505831743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22505865839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11252917919 + 11252917920.

It is an arithmetic number, because the mean of its divisors is an integer number (11252917920).

Almost surely, 2^22505835839 is an apocalyptic number.

22505835839 is a deficient number, since it is larger than the sum of its proper divisors (1).

22505835839 is an equidigital number, since it uses as much as digits as its factorization.

22505835839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 22505835839 in words is "twenty-two billion, five hundred five million, eight hundred thirty-five thousand, eight hundred thirty-nine".