3220782 has 16 divisors (see below), whose sum is σ = 6721920. Its totient is φ = 1026872.

The previous prime is 3220771. The next prime is 3220793. The reversal of 3220782 is 2870223.

It is an interprime number because it is at equal distance from previous prime (3220771) and next prime (3220793).

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, 11532 + ... + 11807.

It is an arithmetic number, because the mean of its divisors is an integer number (420120).

Almost surely, 2^3220782 is an apocalyptic number.

3220782 is an abundant number, since it is smaller than the sum of its proper divisors (3501138).

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

3220782 is a wasteful number, since it uses less digits than its factorization.

3220782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23367.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 3220782 is about 1794.6537270460. The cubic root of 3220782 is about 147.6795782716.

The spelling of 3220782 in words is "three million, two hundred twenty thousand, seven hundred eighty-two".