3220352 has 32 divisors (see below), whose sum is σ = 6497400. Its totient is φ = 1589760.

The previous prime is 3220351. The next prime is 3220381. The reversal of 3220352 is 2530223.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 3220352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220351) by changing a digit.

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, 17702 + ... + 17882.

Almost surely, 2^3220352 is an apocalyptic number.

3220352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3248700).

3220352 is an abundant number, since it is smaller than the sum of its proper divisors (3277048).

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

3220352 is a wasteful number, since it uses less digits than its factorization.

3220352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 3220352 is about 1794.5339227777. The cubic root of 3220352 is about 147.6730058465.

Adding to 3220352 its reverse (2530223), we get a palindrome (5750575).

The spelling of 3220352 in words is "three million, two hundred twenty thousand, three hundred fifty-two".