22122125237 has 2 divisors, whose sum is σ = 22122125238. Its totient is φ = 22122125236.

The previous prime is 22122125231. The next prime is 22122125257. The reversal of 22122125237 is 73252122122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20508817681 + 1613307556 = 143209^2 + 40166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22122125237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122125231) 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, 11061062618 + 11061062619.

It is an arithmetic number, because the mean of its divisors is an integer number (11061062619).

Almost surely, 2^22122125237 is an apocalyptic number.

It is an amenable number.

22122125237 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122125237 is an equidigital number, since it uses as much as digits as its factorization.

22122125237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

Adding to 22122125237 its reverse (73252122122), we get a palindrome (95374247359).

The spelling of 22122125237 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty-five thousand, two hundred thirty-seven".