22037003861 has 2 divisors, whose sum is σ = 22037003862. Its totient is φ = 22037003860.

The previous prime is 22037003851. The next prime is 22037003917. The reversal of 22037003861 is 16830073022.

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., 12677408836 + 9359595025 = 112594^2 + 96745^2 .

It is a cyclic number.

It is not a de Polignac number, because 22037003861 - 2¹⁸ = 22036741717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22037003851) 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, 11018501930 + 11018501931.

It is an arithmetic number, because the mean of its divisors is an integer number (11018501931).

Almost surely, 2^22037003861 is an apocalyptic number.

It is an amenable number.

22037003861 is a deficient number, since it is larger than the sum of its proper divisors (1).

22037003861 is an equidigital number, since it uses as much as digits as its factorization.

22037003861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 22037003861 its reverse (16830073022), we get a palindrome (38867076883).

The spelling of 22037003861 in words is "twenty-two billion, thirty-seven million, three thousand, eight hundred sixty-one".