1103228 has 36 divisors (see below), whose sum is σ = 2335536. Its totient is φ = 446400.

The previous prime is 1103213. The next prime is 1103237. The reversal of 1103228 is 8223011.

It is a super-2 number, since 2×1103228² = 2434224039968, which contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 26888 + ... + 26928.

It is an arithmetic number, because the mean of its divisors is an integer number (64876).

2^1103228 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 1103228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167768).

1103228 is an abundant number, since it is smaller than the sum of its proper divisors (1232308).

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

1103228 is a wasteful number, since it uses less digits than its factorization.

1103228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1103228 is about 1050.3466094580. The cubic root of 1103228 is about 103.3288886977.

Adding to 1103228 its reverse (8223011), we get a palindrome (9326239).

It can be divided in two parts, 1103 and 228, that added together give a palindrome (1331).

The spelling of 1103228 in words is "one million, one hundred three thousand, two hundred twenty-eight".