18222086212633 has 2 divisors, whose sum is σ = 18222086212634. Its totient is φ = 18222086212632.

The previous prime is 18222086212591. The next prime is 18222086212663. The reversal of 18222086212633 is 33621268022281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18222081425289 + 4787344 = 4268733^2 + 2188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18222086212633 is a prime.

It is not a weakly prime, because it can be changed into another prime (18222086212663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9111043106316 + 9111043106317.

It is an arithmetic number, because the mean of its divisors is an integer number (9111043106317).

Almost surely, 2^{18222086212633} is an apocalyptic number.

It is an amenable number.

18222086212633 is a deficient number, since it is larger than the sum of its proper divisors (1).

18222086212633 is an equidigital number, since it uses as much as digits as its factorization.

18222086212633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 18222086212633 in words is "eighteen trillion, two hundred twenty-two billion, eighty-six million, two hundred twelve thousand, six hundred thirty-three".