9221830 has 16 divisors (see below), whose sum is σ = 16675920. Its totient is φ = 3671712.

The previous prime is 9221819. The next prime is 9221831. The reversal of 9221830 is 381229.

9221830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9221795 and 9221804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9221831) 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, 277 + ... + 4303.

It is an arithmetic number, because the mean of its divisors is an integer number (1042245).

Almost surely, 2^9221830 is an apocalyptic number.

9221830 is a deficient number, since it is larger than the sum of its proper divisors (7454090).

9221830 is a wasteful number, since it uses less digits than its factorization.

9221830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 9221830 is about 3036.7466143885. The cubic root of 9221830 is about 209.7035120624.

The spelling of 9221830 in words is "nine million, two hundred twenty-one thousand, eight hundred thirty".