22424424157 has 2 divisors, whose sum is σ = 22424424158. Its totient is φ = 22424424156.

The previous prime is 22424424119. The next prime is 22424424161. The reversal of 22424424157 is 75142442422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22268399076 + 156025081 = 149226^2 + 12491^2 .

It is a cyclic number.

It is not a de Polignac number, because 22424424157 - 2²⁷ = 22290206429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22424424167) 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, 11212212078 + 11212212079.

It is an arithmetic number, because the mean of its divisors is an integer number (11212212079).

Almost surely, 2^22424424157 is an apocalyptic number.

It is an amenable number.

22424424157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22424424157 is an equidigital number, since it uses as much as digits as its factorization.

22424424157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 143360, while the sum is 37.

Adding to 22424424157 its reverse (75142442422), we get a palindrome (97566866579).

It can be divided in two parts, 2242442415 and 7, that added together give a palindrome (2242442422).

The spelling of 22424424157 in words is "twenty-two billion, four hundred twenty-four million, four hundred twenty-four thousand, one hundred fifty-seven".