22424441999 has 2 divisors, whose sum is σ = 22424442000. Its totient is φ = 22424441998.

The previous prime is 22424441971. The next prime is 22424442017. The reversal of 22424441999 is 99914442422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22424441999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22424441909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11212220999 + 11212221000.

It is an arithmetic number, because the mean of its divisors is an integer number (11212221000).

Almost surely, 2^22424441999 is an apocalyptic number.

22424441999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22424441999 is an equidigital number, since it uses as much as digits as its factorization.

22424441999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 50.

The spelling of 22424441999 in words is "twenty-two billion, four hundred twenty-four million, four hundred forty-one thousand, nine hundred ninety-nine".