22022085817 has 2 divisors, whose sum is σ = 22022085818. Its totient is φ = 22022085816.

The previous prime is 22022085803. The next prime is 22022085829. The reversal of 22022085817 is 71858022022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12556547136 + 9465538681 = 112056^2 + 97291^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022085817 - 2¹⁵ = 22022053049 is a prime.

It is not a weakly prime, because it can be changed into another prime (22022085847) 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, 11011042908 + 11011042909.

It is an arithmetic number, because the mean of its divisors is an integer number (11011042909).

Almost surely, 2^22022085817 is an apocalyptic number.

It is an amenable number.

22022085817 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022085817 is an equidigital number, since it uses as much as digits as its factorization.

22022085817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 22022085817 in words is "twenty-two billion, twenty-two million, eighty-five thousand, eight hundred seventeen".