3220022121 has 4 divisors (see below), whose sum is σ = 4293362832. Its totient is φ = 2146681412.

The previous prime is 3220022053. The next prime is 3220022147. The reversal of 3220022121 is 1212200223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3220022121 - 2¹¹ = 3220020073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3220022121.

It is not an unprimeable number, because it can be changed into a prime (3220022161) 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, 536670351 + ... + 536670356.

It is an arithmetic number, because the mean of its divisors is an integer number (1073340708).

Almost surely, 2^3220022121 is an apocalyptic number.

It is an amenable number.

3220022121 is a deficient number, since it is larger than the sum of its proper divisors (1073340711).

3220022121 is a wasteful number, since it uses less digits than its factorization.

3220022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073340710.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3220022121 is about 56745.2387518107. The cubic root of 3220022121 is about 1476.6796334526.

Adding to 3220022121 its reverse (1212200223), we get a palindrome (4432222344).

The spelling of 3220022121 in words is "three billion, two hundred twenty million, twenty-two thousand, one hundred twenty-one".