9942732227 has 2 divisors, whose sum is σ = 9942732228. Its totient is φ = 9942732226.

The previous prime is 9942732199. The next prime is 9942732299. The reversal of 9942732227 is 7222372499.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7222372499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9942732227 - 2¹⁶ = 9942666691 is a prime.

It is not a weakly prime, because it can be changed into another prime (9942732427) 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, 4971366113 + 4971366114.

It is an arithmetic number, because the mean of its divisors is an integer number (4971366114).

Almost surely, 2^9942732227 is an apocalyptic number.

9942732227 is a deficient number, since it is larger than the sum of its proper divisors (1).

9942732227 is an equidigital number, since it uses as much as digits as its factorization.

9942732227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 47.

The square root of 9942732227 is about 99713.2500072082. The cubic root of 9942732227 is about 2150.3141583114.

The spelling of 9942732227 in words is "nine billion, nine hundred forty-two million, seven hundred thirty-two thousand, two hundred twenty-seven".