22324212217 has 2 divisors, whose sum is σ = 22324212218. Its totient is φ = 22324212216.

The previous prime is 22324212173. The next prime is 22324212227. The reversal of 22324212217 is 71221242322.

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., 11311598736 + 11012613481 = 106356^2 + 104941^2 .

It is a cyclic number.

It is not a de Polignac number, because 22324212217 - 2¹¹ = 22324210169 is a prime.

It is a super-3 number, since 3×22324212217³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (22324212227) 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, 11162106108 + 11162106109.

It is an arithmetic number, because the mean of its divisors is an integer number (11162106109).

Almost surely, 2^22324212217 is an apocalyptic number.

It is an amenable number.

22324212217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22324212217 is an equidigital number, since it uses as much as digits as its factorization.

22324212217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

Adding to 22324212217 its reverse (71221242322), we get a palindrome (93545454539).

The spelling of 22324212217 in words is "twenty-two billion, three hundred twenty-four million, two hundred twelve thousand, two hundred seventeen".