1152228 has 96 divisors (see below), whose sum is σ = 3548160. Its totient is φ = 282240.

The previous prime is 1152227. The next prime is 1152233. The reversal of 1152228 is 8222511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1152227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26775 + ... + 26817.

It is an arithmetic number, because the mean of its divisors is an integer number (36960).

2^1152228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774080).

1152228 is an abundant number, since it is smaller than the sum of its proper divisors (2395932).

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

1152228 is a wasteful number, since it uses less digits than its factorization.

1152228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 95 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 1152228 is about 1073.4188371740. The cubic root of 1152228 is about 104.8365711575.

Adding to 1152228 its reverse (8222511), we get a palindrome (9374739).

The spelling of 1152228 in words is "one million, one hundred fifty-two thousand, two hundred twenty-eight".