3322240 has 64 divisors (see below), whose sum is σ = 8262000. Its totient is φ = 1275904.

The previous prime is 3322237. The next prime is 3322261. The reversal of 3322240 is 422233.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3322240² = 22074557235200, which contains 22 as substring.

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

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, 18471 + ... + 18649.

Almost surely, 2^3322240 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 3322240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4131000).

3322240 is an abundant number, since it is smaller than the sum of its proper divisors (4939760).

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

3322240 is a wasteful number, since it uses less digits than its factorization.

3322240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3322240 is about 1822.7012920388. The cubic root of 3322240 is about 149.2142616588.

Adding to 3322240 its reverse (422233), we get a palindrome (3744473).

The spelling of 3322240 in words is "three million, three hundred twenty-two thousand, two hundred forty".