3220022644 has 24 divisors (see below), whose sum is σ = 5946180800. Its totient is φ = 1521529920.

The previous prime is 3220022639. The next prime is 3220022651. The reversal of 3220022644 is 4462200223.

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, 20712 + ... + 82879.

Almost surely, 2^3220022644 is an apocalyptic number.

It is an amenable number.

3220022644 is a deficient number, since it is larger than the sum of its proper divisors (2726158156).

3220022644 is a wasteful number, since it uses less digits than its factorization.

3220022644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104023 (or 104021 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 3220022644 is about 56745.2433601267. The cubic root of 3220022644 is about 1476.6797134006.

Adding to 3220022644 its reverse (4462200223), we get a palindrome (7682222867).

The spelling of 3220022644 in words is "three billion, two hundred twenty million, twenty-two thousand, six hundred forty-four".