9221859 has 24 divisors (see below), whose sum is σ = 14144000. Its totient is φ = 5773680.

The previous prime is 9221857. The next prime is 9221867. The reversal of 9221859 is 9581229.

It is not a de Polignac number, because 9221859 - 2¹ = 9221857 is a prime.

It is a Duffinian number.

9221859 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9221857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33894 + ... + 34164.

Almost surely, 2^9221859 is an apocalyptic number.

9221859 is a deficient number, since it is larger than the sum of its proper divisors (4922141).

9221859 is a wasteful number, since it uses less digits than its factorization.

9221859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 492 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 9221859 is about 3036.7513892316. The cubic root of 9221859 is about 209.7037318812.

The spelling of 9221859 in words is "nine million, two hundred twenty-one thousand, eight hundred fifty-nine".