3222312221 has 8 divisors (see below), whose sum is σ = 3313097088. Its totient is φ = 3132108000.

The previous prime is 3222312211. The next prime is 3222312253. The reversal of 3222312221 is 1222132223.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3222312221 - 2⁶ = 3222312157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3222312193 and 3222312202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222312211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133895 + ... + 156116.

It is an arithmetic number, because the mean of its divisors is an integer number (414137136).

Almost surely, 2^3222312221 is an apocalyptic number.

It is an amenable number.

3222312221 is a deficient number, since it is larger than the sum of its proper divisors (90784867).

3222312221 is a wasteful number, since it uses less digits than its factorization.

3222312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290323.

The product of its digits is 576, while the sum is 20.

The square root of 3222312221 is about 56765.4139507500. The cubic root of 3222312221 is about 1477.0296251102.

Adding to 3222312221 its reverse (1222132223), we get a palindrome (4444444444).

It can be divided in two parts, 32223 and 12221, that added together give a palindrome (44444).

The spelling of 3222312221 in words is "three billion, two hundred twenty-two million, three hundred twelve thousand, two hundred twenty-one".