3221213033 has 4 divisors (see below), whose sum is σ = 3296125008. Its totient is φ = 3146301060.

The previous prime is 3221213027. The next prime is 3221213041. The reversal of 3221213033 is 3303121223.

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 3221213033 - 2²⁰ = 3220164457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221212996 and 3221213014.

It is not an unprimeable number, because it can be changed into a prime (3221213833) 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, 37455923 + ... + 37456008.

It is an arithmetic number, because the mean of its divisors is an integer number (824031252).

Almost surely, 2^3221213033 is an apocalyptic number.

It is an amenable number.

3221213033 is a deficient number, since it is larger than the sum of its proper divisors (74911975).

3221213033 is an equidigital number, since it uses as much as digits as its factorization.

3221213033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74911974.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3221213033 is about 56755.7312788761. The cubic root of 3221213033 is about 1476.8616589864.

Adding to 3221213033 its reverse (3303121223), we get a palindrome (6524334256).

The spelling of 3221213033 in words is "three billion, two hundred twenty-one million, two hundred thirteen thousand, thirty-three".