1064221633217 has 2 divisors, whose sum is σ = 1064221633218. Its totient is φ = 1064221633216.

The previous prime is 1064221633183. The next prime is 1064221633229. The reversal of 1064221633217 is 7123361224601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751982074561 + 312239558656 = 867169^2 + 558784^2 .

It is an emirp because it is prime and its reverse (7123361224601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1064221633217 - 2⁸ = 1064221632961 is a prime.

It is a super-2 number, since 2×1064221633217² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1064221633817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532110816608 + 532110816609.

It is an arithmetic number, because the mean of its divisors is an integer number (532110816609).

Almost surely, 2^{1064221633217} is an apocalyptic number.

It is an amenable number.

1064221633217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064221633217 is an equidigital number, since it uses as much as digits as its factorization.

1064221633217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

Adding to 1064221633217 its reverse (7123361224601), we get a palindrome (8187582857818).

The spelling of 1064221633217 in words is "one trillion, sixty-four billion, two hundred twenty-one million, six hundred thirty-three thousand, two hundred seventeen".