9218085 has 16 divisors (see below), whose sum is σ = 15258240. Its totient is φ = 4746560.

The previous prime is 9218051. The next prime is 9218087. The reversal of 9218085 is 5808129.

It is a happy number.

It is not a de Polignac number, because 9218085 - 2⁸ = 9217829 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9218087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10161 + ... + 11030.

It is an arithmetic number, because the mean of its divisors is an integer number (953640).

Almost surely, 2^9218085 is an apocalyptic number.

It is an amenable number.

9218085 is a deficient number, since it is larger than the sum of its proper divisors (6040155).

9218085 is a wasteful number, since it uses less digits than its factorization.

9218085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21228.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 9218085 is about 3036.1299379309. The cubic root of 9218085 is about 209.6751212410.

The spelling of 9218085 in words is "nine million, two hundred eighteen thousand, eighty-five".