22424242439 has 2 divisors, whose sum is σ = 22424242440. Its totient is φ = 22424242438.

The previous prime is 22424242433. The next prime is 22424242457. The reversal of 22424242439 is 93424242422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22424242439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22424242433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11212121219 + 11212121220.

It is an arithmetic number, because the mean of its divisors is an integer number (11212121220).

Almost surely, 2^22424242439 is an apocalyptic number.

22424242439 is a deficient number, since it is larger than the sum of its proper divisors (1).

22424242439 is an equidigital number, since it uses as much as digits as its factorization.

22424242439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 38.

The spelling of 22424242439 in words is "twenty-two billion, four hundred twenty-four million, two hundred forty-two thousand, four hundred thirty-nine".