3312220321 has 4 divisors (see below), whose sum is σ = 3315955392. Its totient is φ = 3308485252.

The previous prime is 3312220309. The next prime is 3312220423. The reversal of 3312220321 is 1230222133.

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 3312220321 - 2⁷ = 3312220193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3312220621) 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, 1866205 + ... + 1867978.

It is an arithmetic number, because the mean of its divisors is an integer number (828988848).

Almost surely, 2^3312220321 is an apocalyptic number.

It is an amenable number.

3312220321 is a deficient number, since it is larger than the sum of its proper divisors (3735071).

3312220321 is an equidigital number, since it uses as much as digits as its factorization.

3312220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735070.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3312220321 is about 57551.8924189292. The cubic root of 3312220321 is about 1490.6410347731.

Adding to 3312220321 its reverse (1230222133), we get a palindrome (4542442454).

The spelling of 3312220321 in words is "three billion, three hundred twelve million, two hundred twenty thousand, three hundred twenty-one".