3220022643 has 16 divisors (see below), whose sum is σ = 4444139520. Its totient is φ = 2072208096.

The previous prime is 3220022639. The next prime is 3220022651. The reversal of 3220022643 is 3462200223.

It is a happy number.

It is not a de Polignac number, because 3220022643 - 2² = 3220022639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3220022623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100113 + ... + 128306.

It is an arithmetic number, because the mean of its divisors is an integer number (277758720).

Almost surely, 2^3220022643 is an apocalyptic number.

3220022643 is a deficient number, since it is larger than the sum of its proper divisors (1224116877).

3220022643 is a wasteful number, since it uses less digits than its factorization.

3220022643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228586.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3220022643 is about 56745.2433513154. The cubic root of 3220022643 is about 1476.6797132477.

Adding to 3220022643 its reverse (3462200223), we get a palindrome (6682222866).

The spelling of 3220022643 in words is "three billion, two hundred twenty million, twenty-two thousand, six hundred forty-three".