7003224 has 48 divisors (see below), whose sum is σ = 19796400. Its totient is φ = 2232384.

The previous prime is 7003223. The next prime is 7003231. The reversal of 7003224 is 4223007.

It is a happy number.

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 = 7003197 and 7003206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7003223) 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, 459 + ... + 3770.

It is an arithmetic number, because the mean of its divisors is an integer number (412425).

Almost surely, 2^7003224 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 7003224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9898200).

7003224 is an abundant number, since it is smaller than the sum of its proper divisors (12793176).

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

7003224 is a wasteful number, since it uses less digits than its factorization.

7003224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264 (or 4257 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 7003224 is about 2646.3605196571. The cubic root of 7003224 is about 191.3224818180.

It can be divided in two parts, 7003 and 224, that added together give a palindrome (7227).

The spelling of 7003224 in words is "seven million, three thousand, two hundred twenty-four".