122223443437 has 2 divisors, whose sum is σ = 122223443438. Its totient is φ = 122223443436.

The previous prime is 122223443401. The next prime is 122223443501. The reversal of 122223443437 is 734344322221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120701351241 + 1522092196 = 347421^2 + 39014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122223443437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122223443396 and 122223443405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122223413437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111721718 + 61111721719.

It is an arithmetic number, because the mean of its divisors is an integer number (61111721719).

Almost surely, 2^122223443437 is an apocalyptic number.

It is an amenable number.

122223443437 is a deficient number, since it is larger than the sum of its proper divisors (1).

122223443437 is an equidigital number, since it uses as much as digits as its factorization.

122223443437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 37.

Adding to 122223443437 its reverse (734344322221), we get a palindrome (856567765658).

The spelling of 122223443437 in words is "one hundred twenty-two billion, two hundred twenty-three million, four hundred forty-three thousand, four hundred thirty-seven".