222404020417 has 2 divisors, whose sum is σ = 222404020418. Its totient is φ = 222404020416.

The previous prime is 222404020387. The next prime is 222404020519. The reversal of 222404020417 is 714020404222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222058655361 + 345365056 = 471231^2 + 18584^2 .

It is a cyclic number.

It is not a de Polignac number, because 222404020417 - 2³¹ = 220256536769 is a prime.

It is not a weakly prime, because it can be changed into another prime (222404020217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111202010208 + 111202010209.

It is an arithmetic number, because the mean of its divisors is an integer number (111202010209).

Almost surely, 2^222404020417 is an apocalyptic number.

It is an amenable number.

222404020417 is a deficient number, since it is larger than the sum of its proper divisors (1).

222404020417 is an equidigital number, since it uses as much as digits as its factorization.

222404020417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 222404020417 its reverse (714020404222), we get a palindrome (936424424639).

The spelling of 222404020417 in words is "two hundred twenty-two billion, four hundred four million, twenty thousand, four hundred seventeen".