3221056 has 14 divisors (see below), whose sum is σ = 6391910. Its totient is φ = 1610496.

The previous prime is 3221033. The next prime is 3221063. The reversal of 3221056 is 6501223.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 1478656 = 1320^2 + 1216^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25101 + ... + 25228.

It is an arithmetic number, because the mean of its divisors is an integer number (456565).

Almost surely, 2^3221056 is an apocalyptic number.

It is an amenable number.

3221056 is a deficient number, since it is larger than the sum of its proper divisors (3170854).

3221056 is an equidigital number, since it uses as much as digits as its factorization.

3221056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50341 (or 50331 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3221056 is about 1794.7300632686. The cubic root of 3221056 is about 147.6837659768.

Adding to 3221056 its reverse (6501223), we get a palindrome (9722279).

It can be divided in two parts, 322 and 1056, that added together give a triangular number (1378 = T₅₂).

The spelling of 3221056 in words is "three million, two hundred twenty-one thousand, fifty-six".