9221850 has 168 divisors, whose sum is σ = 29274912. Its totient is φ = 2138400.

The previous prime is 9221833. The next prime is 9221857. The reversal of 9221850 is 581229.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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 83 ways as a sum of consecutive naturals, for example, 400939 + ... + 400961.

Almost surely, 2^9221850 is an apocalyptic number.

9221850 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9221850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14637456).

9221850 is an abundant number, since it is smaller than the sum of its proper divisors (20053062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9221850 is a wasteful number, since it uses less digits than its factorization.

9221850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 9221850 is about 3036.7499073845. The cubic root of 9221850 is about 209.7036636616.

It can be divided in two parts, 922 and 1850, that added together give a palindrome (2772).

The spelling of 9221850 in words is "nine million, two hundred twenty-one thousand, eight hundred fifty".