9218872305 has 32 divisors (see below), whose sum is σ = 17101681920. Its totient is φ = 4702959360.

The previous prime is 9218872291. The next prime is 9218872331. The reversal of 9218872305 is 5032788129.

It is a happy number.

It is not a de Polignac number, because 9218872305 - 2⁹ = 9218871793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1481416 + ... + 1487625.

It is an arithmetic number, because the mean of its divisors is an integer number (534427560).

Almost surely, 2^9218872305 is an apocalyptic number.

It is an amenable number.

9218872305 is a deficient number, since it is larger than the sum of its proper divisors (7882809615).

9218872305 is a wasteful number, since it uses less digits than its factorization.

9218872305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969078 (or 2969072 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 9218872305 is about 96014.9587564354. The cubic root of 9218872305 is about 2096.8109043347.

The spelling of 9218872305 in words is "nine billion, two hundred eighteen million, eight hundred seventy-two thousand, three hundred five".