3033313221 has 4 divisors (see below), whose sum is σ = 4044417632. Its totient is φ = 2022208812.

The previous prime is 3033313207. The next prime is 3033313237. The reversal of 3033313221 is 1223133303.

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 not a de Polignac number, because 3033313221 - 2⁵ = 3033313189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3033313201) 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, 505552201 + ... + 505552206.

It is an arithmetic number, because the mean of its divisors is an integer number (1011104408).

Almost surely, 2^3033313221 is an apocalyptic number.

It is an amenable number.

3033313221 is a deficient number, since it is larger than the sum of its proper divisors (1011104411).

3033313221 is a wasteful number, since it uses less digits than its factorization.

3033313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011104410.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 3033313221 is about 55075.5228844902. The cubic root of 3033313221 is about 1447.5683733114.

Adding to 3033313221 its reverse (1223133303), we get a palindrome (4256446524).

The spelling of 3033313221 in words is "three billion, thirty-three million, three hundred thirteen thousand, two hundred twenty-one".