2913333221 has 8 divisors (see below), whose sum is σ = 3056613888. Its totient is φ = 2773134000.

The previous prime is 2913333217. The next prime is 2913333229. The reversal of 2913333221 is 1223333192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2913333221 - 2² = 2913333217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2913333229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768425 + ... + 772206.

It is an arithmetic number, because the mean of its divisors is an integer number (382076736).

Almost surely, 2^2913333221 is an apocalyptic number.

It is an amenable number.

2913333221 is a deficient number, since it is larger than the sum of its proper divisors (143280667).

2913333221 is a wasteful number, since it uses less digits than its factorization.

2913333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540723.

The product of its digits is 5832, while the sum is 29.

The square root of 2913333221 is about 53975.3019537640. The cubic root of 2913333221 is about 1428.2252946183.

Subtracting from 2913333221 its sum of digits (29), we obtain a palindrome (2913333192).

The spelling of 2913333221 in words is "two billion, nine hundred thirteen million, three hundred thirty-three thousand, two hundred twenty-one".