22000221017 has 2 divisors, whose sum is σ = 22000221018. Its totient is φ = 22000221016.

The previous prime is 22000221007. The next prime is 22000221157. The reversal of 22000221017 is 71012200022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19338796096 + 2661424921 = 139064^2 + 51589^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000221017 - 2⁶ = 22000220953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22000220986 and 22000221004.

It is not a weakly prime, because it can be changed into another prime (22000221007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000110508 + 11000110509.

It is an arithmetic number, because the mean of its divisors is an integer number (11000110509).

Almost surely, 2^22000221017 is an apocalyptic number.

It is an amenable number.

22000221017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000221017 is an equidigital number, since it uses as much as digits as its factorization.

22000221017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 22000221017 its reverse (71012200022), we get a palindrome (93012421039).

The spelling of 22000221017 in words is "twenty-two billion, two hundred twenty-one thousand, seventeen".