22424442427 has 2 divisors, whose sum is σ = 22424442428. Its totient is φ = 22424442426.

The previous prime is 22424442413. The next prime is 22424442431. The reversal of 22424442427 is 72424442422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22424442427 is a prime.

It is not a weakly prime, because it can be changed into another prime (22424442437) 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, 11212221213 + 11212221214.

It is an arithmetic number, because the mean of its divisors is an integer number (11212221214).

Almost surely, 2^22424442427 is an apocalyptic number.

22424442427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22424442427 is an equidigital number, since it uses as much as digits as its factorization.

22424442427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 229376, while the sum is 37.

Adding to 22424442427 its reverse (72424442422), we get a palindrome (94848884849).

The spelling of 22424442427 in words is "twenty-two billion, four hundred twenty-four million, four hundred forty-two thousand, four hundred twenty-seven".