3222644 has 12 divisors (see below), whose sum is σ = 5673444. Its totient is φ = 1601664.

The previous prime is 3222643. The next prime is 3222677. The reversal of 3222644 is 4462223.

It can be written as a sum of positive squares in 2 ways, for example, as 1690000 + 1532644 = 1300^2 + 1238^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222643) 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, 1637 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (472787).

Almost surely, 2^3222644 is an apocalyptic number.

It is an amenable number.

3222644 is a deficient number, since it is larger than the sum of its proper divisors (2450800).

3222644 is a wasteful number, since it uses less digits than its factorization.

3222644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834 (or 4832 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 3222644 is about 1795.1724151178. The cubic root of 3222644 is about 147.7080316514.

Adding to 3222644 its reverse (4462223), we get a palindrome (7684867).

The spelling of 3222644 in words is "three million, two hundred twenty-two thousand, six hundred forty-four".