22557422443 has 2 divisors, whose sum is σ = 22557422444. Its totient is φ = 22557422442.

The previous prime is 22557422423. The next prime is 22557422483. The reversal of 22557422443 is 34422475522.

It is an a-pointer prime, because the next prime (22557422483) can be obtained adding 22557422443 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22557422443 - 2⁵ = 22557422411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22557422396 and 22557422405.

It is not a weakly prime, because it can be changed into another prime (22557422423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11278711221 + 11278711222.

It is an arithmetic number, because the mean of its divisors is an integer number (11278711222).

Almost surely, 2^22557422443 is an apocalyptic number.

22557422443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22557422443 is an equidigital number, since it uses as much as digits as its factorization.

22557422443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 537600, while the sum is 40.

Adding to 22557422443 its reverse (34422475522), we get a palindrome (56979897965).

The spelling of 22557422443 in words is "twenty-two billion, five hundred fifty-seven million, four hundred twenty-two thousand, four hundred forty-three".