1108224 has 108 divisors (see below), whose sum is σ = 3534076. Its totient is φ = 331776.

The previous prime is 1108223. The next prime is 1108229. The reversal of 1108224 is 4228011.

It can be written as a sum of positive squares in 2 ways, for example, as 589824 + 518400 = 768^2 + 720^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1108197 and 1108206.

It is not an unprimeable number, because it can be changed into a prime (1108223) 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, 29934 + ... + 29970.

2^1108224 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 1108224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1767038).

1108224 is an abundant number, since it is smaller than the sum of its proper divisors (2425852).

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

1108224 is a wasteful number, since it uses less digits than its factorization.

1108224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 55 counting only the distinct ones).

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

The square root of 1108224 is about 1052.7221855741. The cubic root of 1108224 is about 103.4846297977.

The spelling of 1108224 in words is "one million, one hundred eight thousand, two hundred twenty-four".