1222220301017 has 2 divisors, whose sum is σ = 1222220301018. Its totient is φ = 1222220301016.

The previous prime is 1222220300993. The next prime is 1222220301077. The reversal of 1222220301017 is 7101030222221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 988640444416 + 233579856601 = 994304^2 + 483301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222220301017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222220300983 and 1222220301001.

It is not a weakly prime, because it can be changed into another prime (1222220301077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611110150508 + 611110150509.

It is an arithmetic number, because the mean of its divisors is an integer number (611110150509).

Almost surely, 2^{1222220301017} is an apocalyptic number.

It is an amenable number.

1222220301017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222220301017 is an equidigital number, since it uses as much as digits as its factorization.

1222220301017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 1222220301017 its reverse (7101030222221), we get a palindrome (8323250523238).

The spelling of 1222220301017 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, three hundred one thousand, seventeen".