3223320 has 32 divisors (see below), whose sum is σ = 9670320. Its totient is φ = 859520.

The previous prime is 3223309. The next prime is 3223333. The reversal of 3223320 is 233223.

3223320 is nontrivially palindromic in base 9.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3223320.

It is a congruent number.

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, 13311 + ... + 13550.

Almost surely, 2^3223320 is an apocalyptic number.

3223320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3223320 is an abundant number, since it is smaller than the sum of its proper divisors (6447000).

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

3223320 is a wasteful number, since it uses less digits than its factorization.

3223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26875 (or 26871 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 3223320 is about 1795.3606879956. The cubic root of 3223320 is about 147.7183589529.

Adding to 3223320 its reverse (233223), we get a palindrome (3456543).

The spelling of 3223320 in words is "three million, two hundred twenty-three thousand, three hundred twenty".