9221885 has 4 divisors (see below), whose sum is σ = 11066268. Its totient is φ = 7377504.

The previous prime is 9221879. The next prime is 9221893. The reversal of 9221885 is 5881229.

9221885 is nontrivially palindromic in base 6.

9221885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2477476 + 6744409 = 1574^2 + 2597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9221885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922184 + ... + 922193.

It is an arithmetic number, because the mean of its divisors is an integer number (2766567).

Almost surely, 2^9221885 is an apocalyptic number.

It is an amenable number.

9221885 is a deficient number, since it is larger than the sum of its proper divisors (1844383).

9221885 is a wasteful number, since it uses less digits than its factorization.

9221885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844382.

The product of its digits is 11520, while the sum is 35.

The square root of 9221885 is about 3036.7556701190. The cubic root of 9221885 is about 209.7039289597.

The spelling of 9221885 in words is "nine million, two hundred twenty-one thousand, eight hundred eighty-five".