2222655123617 has 2 divisors, whose sum is σ = 2222655123618. Its totient is φ = 2222655123616.

The previous prime is 2222655123613. The next prime is 2222655123631. The reversal of 2222655123617 is 7163215562222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2142113251216 + 80541872401 = 1463596^2 + 283799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222655123617 - 2² = 2222655123613 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222655123613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111327561808 + 1111327561809.

It is an arithmetic number, because the mean of its divisors is an integer number (1111327561809).

Almost surely, 2^{2222655123617} is an apocalyptic number.

It is an amenable number.

2222655123617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222655123617 is an equidigital number, since it uses as much as digits as its factorization.

2222655123617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 44.

The spelling of 2222655123617 in words is "two trillion, two hundred twenty-two billion, six hundred fifty-five million, one hundred twenty-three thousand, six hundred seventeen".