1104228 has 36 divisors (see below), whose sum is σ = 2870140. Its totient is φ = 357696.

The previous prime is 1104221. The next prime is 1104241. The reversal of 1104228 is 8224011.

It can be written as a sum of positive squares in 2 ways, for example, as 831744 + 272484 = 912^2 + 522^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1104228.

It is not an unprimeable number, because it can be changed into a prime (1104221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 918 + ... + 1746.

2^1104228 is an apocalyptic number.

1104228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1104228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435070).

1104228 is an abundant number, since it is smaller than the sum of its proper divisors (1765912).

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

1104228 is a wasteful number, since it uses less digits than its factorization.

1104228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1104228 is about 1050.8225349696. The cubic root of 1104228 is about 103.3600994369.

Adding to 1104228 its reverse (8224011), we get a palindrome (9328239).

The spelling of 1104228 in words is "one million, one hundred four thousand, two hundred twenty-eight".