22221012022037 has 2 divisors, whose sum is σ = 22221012022038. Its totient is φ = 22221012022036.

The previous prime is 22221012022009. The next prime is 22221012022193. The reversal of 22221012022037 is 73022021012222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21596384190481 + 624627831556 = 4647191^2 + 790334^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221012022037 - 2⁶ = 22221012021973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221012021997 and 22221012022015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221012072037) 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, 11110506011018 + 11110506011019.

It is an arithmetic number, because the mean of its divisors is an integer number (11110506011019).

Almost surely, 2^{22221012022037} is an apocalyptic number.

It is an amenable number.

22221012022037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221012022037 is an equidigital number, since it uses as much as digits as its factorization.

22221012022037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 22221012022037 its reverse (73022021012222), we get a palindrome (95243033034259).

The spelling of 22221012022037 in words is "twenty-two trillion, two hundred twenty-one billion, twelve million, twenty-two thousand, thirty-seven".