3223312 has 40 divisors (see below), whose sum is σ = 6874560. Its totient is φ = 1457280.

The previous prime is 3223309. The next prime is 3223333. The reversal of 3223312 is 2133223.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6762 + ... + 7222.

It is an arithmetic number, because the mean of its divisors is an integer number (171864).

Almost surely, 2^3223312 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 3223312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3437280).

3223312 is an abundant number, since it is smaller than the sum of its proper divisors (3651248).

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

3223312 is a wasteful number, since it uses less digits than its factorization.

3223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 505 counting only the distinct ones).

The product of its digits is 216, while the sum is 16.

The square root of 3223312 is about 1795.3584600296. The cubic root of 3223312 is about 147.7182367448.

Adding to 3223312 its reverse (2133223), we get a palindrome (5356535).

The spelling of 3223312 in words is "three million, two hundred twenty-three thousand, three hundred twelve".