1232216617 has 2 divisors, whose sum is σ = 1232216618. Its totient is φ = 1232216616.

The previous prime is 1232216603. The next prime is 1232216621. The reversal of 1232216617 is 7166122321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733543056 + 498673561 = 27084^2 + 22331^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232216617 - 2¹¹ = 1232214569 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232216717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616108308 + 616108309.

It is an arithmetic number, because the mean of its divisors is an integer number (616108309).

Almost surely, 2^1232216617 is an apocalyptic number.

It is an amenable number.

1232216617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232216617 is an equidigital number, since it uses as much as digits as its factorization.

1232216617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 1232216617 is about 35102.9431387170. The cubic root of 1232216617 is about 1072.0845080892.

Adding to 1232216617 its reverse (7166122321), we get a palindrome (8398338938).

The spelling of 1232216617 in words is "one billion, two hundred thirty-two million, two hundred sixteen thousand, six hundred seventeen".