5500224 has 70 divisors (see below), whose sum is σ = 16319754. Its totient is φ = 1831680.

The previous prime is 5500223. The next prime is 5500241. The reversal of 5500224 is 4220055.

It can be written as a sum of positive squares in only one way, i.e., 4981824 + 518400 = 2232^2 + 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 = 5500197 and 5500206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500223) 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 9 ways as a sum of consecutive naturals, for example, 4654 + ... + 5714.

Almost surely, 2^5500224 is an apocalyptic number.

5500224 is a gapful number since it is divisible by the number (54) 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 5500224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8159877).

5500224 is an abundant number, since it is smaller than the sum of its proper divisors (10819530).

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

5500224 is a wasteful number, since it uses less digits than its factorization.

5500224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 5500224 is about 2345.2556363859. The cubic root of 5500224 is about 176.5198130914.

Adding to 5500224 its reverse (4220055), we get a palindrome (9720279).

The spelling of 5500224 in words is "five million, five hundred thousand, two hundred twenty-four".