3530224 has 40 divisors (see below), whose sum is σ = 7312032. Its totient is φ = 1647360.

The previous prime is 3530221. The next prime is 3530227. The reversal of 3530224 is 4220353.

It is an interprime number because it is at equal distance from previous prime (3530221) and next prime (3530227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3530221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19414 + ... + 19594.

Almost surely, 2^3530224 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 3530224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3656016).

3530224 is an abundant number, since it is smaller than the sum of its proper divisors (3781808).

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

3530224 is a wasteful number, since it uses less digits than its factorization.

3530224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 3530224 is about 1878.8890334450. The cubic root of 3530224 is about 152.2652340454.

Adding to 3530224 its reverse (4220353), we get a palindrome (7750577).

The spelling of 3530224 in words is "three million, five hundred thirty thousand, two hundred twenty-four".