3320123221 has 4 divisors (see below), whose sum is σ = 3342110944. Its totient is φ = 3298135500.

The previous prime is 3320123153. The next prime is 3320123263. The reversal of 3320123221 is 1223210233.

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 3320123221 - 2²⁹ = 2783252309 is a prime.

It is a super-2 number, since 2×3320123221² = 22046436405246829682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320123291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10993635 + ... + 10993936.

It is an arithmetic number, because the mean of its divisors is an integer number (835527736).

Almost surely, 2^3320123221 is an apocalyptic number.

It is an amenable number.

3320123221 is a deficient number, since it is larger than the sum of its proper divisors (21987723).

3320123221 is a wasteful number, since it uses less digits than its factorization.

3320123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21987722.

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

The square root of 3320123221 is about 57620.5104194678. The cubic root of 3320123221 is about 1491.8256409714.

Adding to 3320123221 its reverse (1223210233), we get a palindrome (4543333454).

The spelling of 3320123221 in words is "three billion, three hundred twenty million, one hundred twenty-three thousand, two hundred twenty-one".