9009222009 has 4 divisors (see below), whose sum is σ = 12012296016. Its totient is φ = 6006148004.

The previous prime is 9009221993. The next prime is 9009222071. The reversal of 9009222009 is 9002229009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9009222009 - 2⁴ = 9009221993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9009222109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501536999 + ... + 1501537004.

It is an arithmetic number, because the mean of its divisors is an integer number (3003074004).

Almost surely, 2^9009222009 is an apocalyptic number.

It is an amenable number.

9009222009 is a deficient number, since it is larger than the sum of its proper divisors (3003074007).

9009222009 is a wasteful number, since it uses less digits than its factorization.

9009222009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003074006.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 9009222009 is about 94916.9216156951. The cubic root of 9009222009 is about 2080.7940454056.

It can be divided in two parts, 90092 and 22009, that added together give a triangular number (112101 = T₄₇₃).

The spelling of 9009222009 in words is "nine billion, nine million, two hundred twenty-two thousand, nine".