9999227 has 16 divisors (see below), whose sum is σ = 12026880. Its totient is φ = 8128032.

The previous prime is 9999221. The next prime is 9999233. The reversal of 9999227 is 7229999.

It is an interprime number because it is at equal distance from previous prime (9999221) and next prime (9999233).

It is a cyclic number.

It is not a de Polignac number, because 9999227 - 2⁶ = 9999163 is a prime.

It is a d-powerful number, because it can be written as 9² + 9⁴ + 9⁶ + 9⁶ + 2¹⁹ + 2²³ + 7⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9999221) 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 in 15 ways as a sum of consecutive naturals, for example, 27674 + ... + 28032.

It is an arithmetic number, because the mean of its divisors is an integer number (751680).

Almost surely, 2^9999227 is an apocalyptic number.

9999227 is a deficient number, since it is larger than the sum of its proper divisors (2027653).

9999227 is a wasteful number, since it uses less digits than its factorization.

9999227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562.

The product of its digits is 183708, while the sum is 47.

The square root of 9999227 is about 3162.1554357748. The cubic root of 9999227 is about 215.4379176001.

The spelling of 9999227 in words is "nine million, nine hundred ninety-nine thousand, two hundred twenty-seven".