3224256 has 56 divisors (see below), whose sum is σ = 9753600. Its totient is φ = 920832.

The previous prime is 3224251. The next prime is 3224261. The reversal of 3224256 is 6524223.

It is an interprime number because it is at equal distance from previous prime (3224251) and next prime (3224261).

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 3³ + 2⁵ + 2⁷ + 4¹⁰ + 2²¹ + 5⁷ + 6³ .

It is not an unprimeable number, because it can be changed into a prime (3224251) 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, 145 + ... + 2543.

Almost surely, 2^3224256 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 3224256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4876800).

3224256 is an abundant number, since it is smaller than the sum of its proper divisors (6529344).

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

3224256 is a wasteful number, since it uses less digits than its factorization.

3224256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2411 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 3224256 is about 1795.6213409291. The cubic root of 3224256 is about 147.7326559100.

Adding to 3224256 its reverse (6524223), we get a palindrome (9748479).

The spelling of 3224256 in words is "three million, two hundred twenty-four thousand, two hundred fifty-six".