22031322037 has 2 divisors, whose sum is σ = 22031322038. Its totient is φ = 22031322036.

The previous prime is 22031322031. The next prime is 22031322083. The reversal of 22031322037 is 73022313022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20268077956 + 1763244081 = 142366^2 + 41991^2 .

It is a cyclic number.

It is not a de Polignac number, because 22031322037 - 2³ = 22031322029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22031322031) 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, 11015661018 + 11015661019.

It is an arithmetic number, because the mean of its divisors is an integer number (11015661019).

Almost surely, 2^22031322037 is an apocalyptic number.

It is an amenable number.

22031322037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031322037 is an equidigital number, since it uses as much as digits as its factorization.

22031322037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 22031322037 its reverse (73022313022), we get a palindrome (95053635059).

The spelling of 22031322037 in words is "twenty-two billion, thirty-one million, three hundred twenty-two thousand, thirty-seven".