22385225539 has 2 divisors, whose sum is σ = 22385225540. Its totient is φ = 22385225538.

The previous prime is 22385225531. The next prime is 22385225593. The reversal of 22385225539 is 93552258322.

Together with next prime (22385225593) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22385225539 - 2³ = 22385225531 is a prime.

It is not a weakly prime, because it can be changed into another prime (22385225531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11192612769 + 11192612770.

It is an arithmetic number, because the mean of its divisors is an integer number (11192612770).

Almost surely, 2^22385225539 is an apocalyptic number.

22385225539 is a deficient number, since it is larger than the sum of its proper divisors (1).

22385225539 is an equidigital number, since it uses as much as digits as its factorization.

22385225539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 46.

The spelling of 22385225539 in words is "twenty-two billion, three hundred eighty-five million, two hundred twenty-five thousand, five hundred thirty-nine".