9791222027 has 2 divisors, whose sum is σ = 9791222028. Its totient is φ = 9791222026.

The previous prime is 9791221861. The next prime is 9791222047. The reversal of 9791222027 is 7202221979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9791222027 - 2¹⁴ = 9791205643 is a prime.

It is not a weakly prime, because it can be changed into another prime (9791222047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4895611013 + 4895611014.

It is an arithmetic number, because the mean of its divisors is an integer number (4895611014).

Almost surely, 2^9791222027 is an apocalyptic number.

9791222027 is a deficient number, since it is larger than the sum of its proper divisors (1).

9791222027 is an equidigital number, since it uses as much as digits as its factorization.

9791222027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 9791222027 is about 98950.6039749127. The cubic root of 9791222027 is about 2139.3358368525.

The spelling of 9791222027 in words is "nine billion, seven hundred ninety-one million, two hundred twenty-two thousand, twenty-seven".