9004227073 has 2 divisors, whose sum is σ = 9004227074. Its totient is φ = 9004227072.

The previous prime is 9004227031. The next prime is 9004227077. The reversal of 9004227073 is 3707224009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8921180304 + 83046769 = 94452^2 + 9113^2 .

It is an emirp because it is prime and its reverse (3707224009) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9004227073 is a prime.

It is a super-2 number, since 2×9004227073² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9004227077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4502113536 + 4502113537.

It is an arithmetic number, because the mean of its divisors is an integer number (4502113537).

Almost surely, 2^9004227073 is an apocalyptic number.

It is an amenable number.

9004227073 is a deficient number, since it is larger than the sum of its proper divisors (1).

9004227073 is an equidigital number, since it uses as much as digits as its factorization.

9004227073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 9004227073 is about 94890.6058205974. The cubic root of 9004227073 is about 2080.4094263838.

The spelling of 9004227073 in words is "nine billion, four million, two hundred twenty-seven thousand, seventy-three".