99218417227 has 2 divisors, whose sum is σ = 99218417228. Its totient is φ = 99218417226.

The previous prime is 99218417213. The next prime is 99218417303. The reversal of 99218417227 is 72271481299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99218417227 - 2¹⁵ = 99218384459 is a prime.

It is not a weakly prime, because it can be changed into another prime (99218417327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49609208613 + 49609208614.

It is an arithmetic number, because the mean of its divisors is an integer number (49609208614).

Almost surely, 2^99218417227 is an apocalyptic number.

99218417227 is a deficient number, since it is larger than the sum of its proper divisors (1).

99218417227 is an equidigital number, since it uses as much as digits as its factorization.

99218417227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 52.

The spelling of 99218417227 in words is "ninety-nine billion, two hundred eighteen million, four hundred seventeen thousand, two hundred twenty-seven".