3313232221 has 16 divisors (see below), whose sum is σ = 3780000000. Its totient is φ = 2876928768.

The previous prime is 3313232213. The next prime is 3313232233. The reversal of 3313232221 is 1222323133.

It is not a de Polignac number, because 3313232221 - 2³ = 3313232213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3313232192 and 3313232201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313239221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660280 + ... + 665278.

It is an arithmetic number, because the mean of its divisors is an integer number (236250000).

Almost surely, 2^3313232221 is an apocalyptic number.

It is an amenable number.

3313232221 is a deficient number, since it is larger than the sum of its proper divisors (466767779).

3313232221 is a wasteful number, since it uses less digits than its factorization.

3313232221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8028.

The product of its digits is 1296, while the sum is 22.

The square root of 3313232221 is about 57560.6829441764. The cubic root of 3313232221 is about 1490.7928187666.

Adding to 3313232221 its reverse (1222323133), we get a palindrome (4535555354).

The spelling of 3313232221 in words is "three billion, three hundred thirteen million, two hundred thirty-two thousand, two hundred twenty-one".