1009228 has 12 divisors (see below), whose sum is σ = 1926792. Its totient is φ = 458720.

The previous prime is 1009207. The next prime is 1009237. The reversal of 1009228 is 8229001.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1009199 and 1009208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11425 + ... + 11512.

It is an arithmetic number, because the mean of its divisors is an integer number (160566).

2^1009228 is an apocalyptic number.

It is an amenable number.

1009228 is a deficient number, since it is larger than the sum of its proper divisors (917564).

1009228 is a wasteful number, since it uses less digits than its factorization.

1009228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22952 (or 22950 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1009228 is about 1004.6034043343. The cubic root of 1009228 is about 100.3066586435.

The spelling of 1009228 in words is "one million, nine thousand, two hundred twenty-eight".