1165228 has 12 divisors (see below), whose sum is σ = 2105152. Its totient is φ = 563760.

The previous prime is 1165223. The next prime is 1165273. The reversal of 1165228 is 8225611.

It is not an unprimeable number, because it can be changed into a prime (1165223) by changing a digit.

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, 4575 + ... + 4822.

2^1165228 is an apocalyptic number.

It is an amenable number.

1165228 is a deficient number, since it is larger than the sum of its proper divisors (939924).

1165228 is a wasteful number, since it uses less digits than its factorization.

1165228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9432 (or 9430 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 1165228 is about 1079.4572710395. The cubic root of 1165228 is about 105.2293700856.

The spelling of 1165228 in words is "one million, one hundred sixty-five thousand, two hundred twenty-eight".