9222128 has 20 divisors (see below), whose sum is σ = 18445248. Its totient is φ = 4462080.

The previous prime is 9222079. The next prime is 9222133. The reversal of 9222128 is 8212229.

9222128 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 9222097 and 9222106.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8801 + ... + 9792.

Almost surely, 2^9222128 is an apocalyptic number.

It is an amenable number.

9222128 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9222128 is a wasteful number, since it uses less digits than its factorization.

9222128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18632 (or 18626 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 9222128 is about 3036.7956796597. The cubic root of 9222128 is about 209.7057708683.

It can be divided in two parts, 9222 and 128, that multiplied together give a triangular number (1180416 = T₁₅₃₆).

The spelling of 9222128 in words is "nine million, two hundred twenty-two thousand, one hundred twenty-eight".