222089565791 has 2 divisors, whose sum is σ = 222089565792. Its totient is φ = 222089565790.

The previous prime is 222089565743. The next prime is 222089565847. The reversal of 222089565791 is 197565980222.

It is an a-pointer prime, because the next prime (222089565847) can be obtained adding 222089565791 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222089565791 - 2¹⁸ = 222089303647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222089565701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111044782895 + 111044782896.

It is an arithmetic number, because the mean of its divisors is an integer number (111044782896).

Almost surely, 2^222089565791 is an apocalyptic number.

222089565791 is a deficient number, since it is larger than the sum of its proper divisors (1).

222089565791 is an equidigital number, since it uses as much as digits as its factorization.

222089565791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 222089565791 in words is "two hundred twenty-two billion, eighty-nine million, five hundred sixty-five thousand, seven hundred ninety-one".