3212224 has 28 divisors (see below), whose sum is σ = 6501384. Its totient is φ = 1574144.

The previous prime is 3212213. The next prime is 3212233. The reversal of 3212224 is 4222123.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3212198 and 3212207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2919 + ... + 3865.

Almost surely, 2^3212224 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 3212224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250692).

3212224 is an abundant number, since it is smaller than the sum of its proper divisors (3289160).

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

3212224 is an equidigital number, since it uses as much as digits as its factorization.

3212224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1002 counting only the distinct ones).

The product of its digits is 192, while the sum is 16.

The square root of 3212224 is about 1792.2678371270. The cubic root of 3212224 is about 147.5486615274.

Adding to 3212224 its reverse (4222123), we get a palindrome (7434347).

The spelling of 3212224 in words is "three million, two hundred twelve thousand, two hundred twenty-four".