9221855 has 8 divisors (see below), whose sum is σ = 11448000. Its totient is φ = 7122976.

The previous prime is 9221833. The next prime is 9221857. The reversal of 9221855 is 5581229.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9221855 - 2¹² = 9217759 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31655 + ... + 31944.

It is an arithmetic number, because the mean of its divisors is an integer number (1431000).

Almost surely, 2^9221855 is an apocalyptic number.

9221855 is a deficient number, since it is larger than the sum of its proper divisors (2226145).

9221855 is a wasteful number, since it uses less digits than its factorization.

9221855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63633.

The product of its digits is 7200, while the sum is 32.

The square root of 9221855 is about 3036.7507306330. The cubic root of 9221855 is about 209.7037015614.

The spelling of 9221855 in words is "nine million, two hundred twenty-one thousand, eight hundred fifty-five".