122422637 has 2 divisors, whose sum is σ = 122422638. Its totient is φ = 122422636.

The previous prime is 122422621. The next prime is 122422693. The reversal of 122422637 is 736224221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88153321 + 34269316 = 9389^2 + 5854^2 .

It is an emirp because it is prime and its reverse (736224221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122422637 - 2⁴ = 122422621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122422337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61211318 + 61211319.

It is an arithmetic number, because the mean of its divisors is an integer number (61211319).

Almost surely, 2^122422637 is an apocalyptic number.

It is an amenable number.

122422637 is a deficient number, since it is larger than the sum of its proper divisors (1).

122422637 is an equidigital number, since it uses as much as digits as its factorization.

122422637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 122422637 is about 11064.4763545321. The cubic root of 122422637 is about 496.5396228267.

Adding to 122422637 its reverse (736224221), we get a palindrome (858646858).

The spelling of 122422637 in words is "one hundred twenty-two million, four hundred twenty-two thousand, six hundred thirty-seven".