22216124869 has 2 divisors, whose sum is σ = 22216124870. Its totient is φ = 22216124868.

The previous prime is 22216124849. The next prime is 22216124893. The reversal of 22216124869 is 96842161222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21856074244 + 360050625 = 147838^2 + 18975^2 .

It is a cyclic number.

It is not a de Polignac number, because 22216124869 - 2⁵ = 22216124837 is a prime.

It is a super-2 number, since 2×22216124869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22216124849) 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, 11108062434 + 11108062435.

It is an arithmetic number, because the mean of its divisors is an integer number (11108062435).

Almost surely, 2^22216124869 is an apocalyptic number.

It is an amenable number.

22216124869 is a deficient number, since it is larger than the sum of its proper divisors (1).

22216124869 is an equidigital number, since it uses as much as digits as its factorization.

22216124869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The spelling of 22216124869 in words is "twenty-two billion, two hundred sixteen million, one hundred twenty-four thousand, eight hundred sixty-nine".