3222312321 has 4 divisors (see below), whose sum is σ = 4296416432. Its totient is φ = 2148208212.

The previous prime is 3222312319. The next prime is 3222312323. The reversal of 3222312321 is 1232132223.

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 an interprime number because it is at equal distance from previous prime (3222312319) and next prime (3222312323).

It is not a de Polignac number, because 3222312321 - 2¹ = 3222312319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3222312323) 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, 537052051 + ... + 537052056.

It is an arithmetic number, because the mean of its divisors is an integer number (1074104108).

Almost surely, 2^3222312321 is an apocalyptic number.

It is an amenable number.

3222312321 is a deficient number, since it is larger than the sum of its proper divisors (1074104111).

3222312321 is a wasteful number, since it uses less digits than its factorization.

3222312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074104110.

The product of its digits is 864, while the sum is 21.

The square root of 3222312321 is about 56765.4148315680. The cubic root of 3222312321 is about 1477.0296403894.

Adding to 3222312321 its reverse (1232132223), we get a palindrome (4454444544).

It can be divided in two parts, 32223 and 12321, that added together give a palindrome (44544).

The spelling of 3222312321 in words is "three billion, two hundred twenty-two million, three hundred twelve thousand, three hundred twenty-one".