3331330221 has 4 divisors (see below), whose sum is σ = 4441773632. Its totient is φ = 2220886812.

The previous prime is 3331330213. The next prime is 3331330241. The reversal of 3331330221 is 1220331333.

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 3331330221 - 2³ = 3331330213 is a prime.

It is a super-2 number, since 2×3331330221² = 22195522082695817682, 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 (3331330201) 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, 555221701 + ... + 555221706.

It is an arithmetic number, because the mean of its divisors is an integer number (1110443408).

Almost surely, 2^3331330221 is an apocalyptic number.

It is an amenable number.

3331330221 is a deficient number, since it is larger than the sum of its proper divisors (1110443411).

3331330221 is a wasteful number, since it uses less digits than its factorization.

3331330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110443410.

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

The square root of 3331330221 is about 57717.6768503376. The cubic root of 3331330221 is about 1493.5022969902.

Adding to 3331330221 its reverse (1220331333), we get a palindrome (4551661554).

The spelling of 3331330221 in words is "three billion, three hundred thirty-one million, three hundred thirty thousand, two hundred twenty-one".