220002221017 has 2 divisors, whose sum is σ = 220002221018. Its totient is φ = 220002221016.

The previous prime is 220002220967. The next prime is 220002221183. The reversal of 220002221017 is 710122200022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113315717376 + 106686503641 = 336624^2 + 326629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220002221017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220002220985 and 220002221003.

It is not a weakly prime, because it can be changed into another prime (220002221717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001110508 + 110001110509.

It is an arithmetic number, because the mean of its divisors is an integer number (110001110509).

Almost surely, 2^220002221017 is an apocalyptic number.

It is an amenable number.

220002221017 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002221017 is an equidigital number, since it uses as much as digits as its factorization.

220002221017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 220002221017 its reverse (710122200022), we get a palindrome (930124421039).

The spelling of 220002221017 in words is "two hundred twenty billion, two million, two hundred twenty-one thousand, seventeen".