3343220 has 24 divisors (see below), whose sum is σ = 7434504. Its totient is φ = 1258496.

The previous prime is 3343217. The next prime is 3343229. The reversal of 3343220 is 223433.

It can be written as a sum of positive squares in 4 ways, for example, as 712336 + 2630884 = 844^2 + 1622^2 .

It is a super-2 number, since 2×3343220² = 22354239936800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3343229) 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, 4577 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (309771).

Almost surely, 2^3343220 is an apocalyptic number.

It is an amenable number.

3343220 is an abundant number, since it is smaller than the sum of its proper divisors (4091284).

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

3343220 is a wasteful number, since it uses less digits than its factorization.

3343220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9859 (or 9857 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 3343220 is about 1828.4474288314. The cubic root of 3343220 is about 149.5276996284.

Adding to 3343220 its reverse (223433), we get a palindrome (3566653).

The spelling of 3343220 in words is "three million, three hundred forty-three thousand, two hundred twenty".