3221444 has 12 divisors (see below), whose sum is σ = 5701500. Its totient is φ = 1592448.

The previous prime is 3221443. The next prime is 3221453. The reversal of 3221444 is 4441223.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 1562500 = 1288^2 + 1250^2 .

It is not an unprimeable number, because it can be changed into a prime (3221441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4169 + ... + 4880.

It is an arithmetic number, because the mean of its divisors is an integer number (475125).

Almost surely, 2^3221444 is an apocalyptic number.

It is an amenable number.

3221444 is a deficient number, since it is larger than the sum of its proper divisors (2480056).

3221444 is a wasteful number, since it uses less digits than its factorization.

3221444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9142 (or 9140 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 3221444 is about 1794.8381542635. The cubic root of 3221444 is about 147.6896956057.

Adding to 3221444 its reverse (4441223), we get a palindrome (7662667).

The spelling of 3221444 in words is "three million, two hundred twenty-one thousand, four hundred forty-four".