2231322617 has 2 divisors, whose sum is σ = 2231322618. Its totient is φ = 2231322616.

The previous prime is 2231322517. The next prime is 2231322671. The reversal of 2231322617 is 7162231322.

Together with next prime (2231322671) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1201939561 + 1029383056 = 34669^2 + 32084^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231322617 - 2¹⁶ = 2231257081 is a prime.

It is a super-3 number, since 3×2231322617³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2231322617.

It is not a weakly prime, because it can be changed into another prime (2231322517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115661308 + 1115661309.

It is an arithmetic number, because the mean of its divisors is an integer number (1115661309).

Almost surely, 2^2231322617 is an apocalyptic number.

It is an amenable number.

2231322617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231322617 is an equidigital number, since it uses as much as digits as its factorization.

2231322617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 2231322617 is about 47236.8777228131. The cubic root of 2231322617 is about 1306.7347963213.

Adding to 2231322617 its reverse (7162231322), we get a palindrome (9393553939).

The spelling of 2231322617 in words is "two billion, two hundred thirty-one million, three hundred twenty-two thousand, six hundred seventeen".