9217219852 has 12 divisors (see below), whose sum is σ = 16311372840. Its totient is φ = 4556827616.

The previous prime is 9217219793. The next prime is 9217219853. The reversal of 9217219852 is 2589127129.

It is not an unprimeable number, because it can be changed into a prime (9217219853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12945178 + ... + 12945889.

It is an arithmetic number, because the mean of its divisors is an integer number (1359281070).

Almost surely, 2^9217219852 is an apocalyptic number.

It is an amenable number.

9217219852 is a deficient number, since it is larger than the sum of its proper divisors (7094152988).

9217219852 is a wasteful number, since it uses less digits than its factorization.

9217219852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25891160 (or 25891158 counting only the distinct ones).

The product of its digits is 181440, while the sum is 46.

The square root of 9217219852 is about 96006.3531856095. The cubic root of 9217219852 is about 2096.6856146608.

The spelling of 9217219852 in words is "nine billion, two hundred seventeen million, two hundred nineteen thousand, eight hundred fifty-two".