3222121201 has 16 divisors (see below), whose sum is σ = 3532394880. Its totient is φ = 2921212800.

The previous prime is 3222121159. The next prime is 3222121207. The reversal of 3222121201 is 1021212223.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3222121201 - 2⁹ = 3222120689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3222121207) 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, 165486 + ... + 183928.

It is an arithmetic number, because the mean of its divisors is an integer number (220774680).

Almost surely, 2^3222121201 is an apocalyptic number.

It is an amenable number.

3222121201 is a deficient number, since it is larger than the sum of its proper divisors (310273679).

3222121201 is a wasteful number, since it uses less digits than its factorization.

3222121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18696.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3222121201 is about 56763.7313872159. The cubic root of 3222121201 is about 1477.0004382246. Note that the first 3 decimals are identical.

Adding to 3222121201 its reverse (1021212223), we get a palindrome (4243333424).

The spelling of 3222121201 in words is "three billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred one".