1109228 has 12 divisors (see below), whose sum is σ = 1986600. Its totient is φ = 541632.

The previous prime is 1109219. The next prime is 1109231. The reversal of 1109228 is 8229011.

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, 3053 + ... + 3396.

It is an arithmetic number, because the mean of its divisors is an integer number (165550).

2^1109228 is an apocalyptic number.

It is an amenable number.

1109228 is a deficient number, since it is larger than the sum of its proper divisors (877372).

1109228 is a wasteful number, since it uses less digits than its factorization.

1109228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496 (or 6494 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1109228 is about 1053.1989365737. The cubic root of 1109228 is about 103.5158711377.

The spelling of 1109228 in words is "one million, one hundred nine thousand, two hundred twenty-eight".