3313142221 has 4 divisors (see below), whose sum is σ = 3314312892. Its totient is φ = 3311971552.

The previous prime is 3313142197. The next prime is 3313142243. The reversal of 3313142221 is 1222413133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 384708996 + 2928433225 = 19614^2 + 54115^2 .

It is a cyclic number.

It is not a de Polignac number, because 3313142221 - 2⁷ = 3313142093 is a prime.

It is a super-2 number, since 2×3313142221² = 21953822753145625682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3313142192 and 3313142201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313142281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581080 + ... + 586753.

It is an arithmetic number, because the mean of its divisors is an integer number (828578223).

Almost surely, 2^3313142221 is an apocalyptic number.

It is an amenable number.

3313142221 is a deficient number, since it is larger than the sum of its proper divisors (1170671).

3313142221 is a wasteful number, since it uses less digits than its factorization.

3313142221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170670.

The product of its digits is 864, while the sum is 22.

The square root of 3313142221 is about 57559.9011552313. The cubic root of 3313142221 is about 1490.7793201083.

Adding to 3313142221 its reverse (1222413133), we get a palindrome (4535555354).

The spelling of 3313142221 in words is "three billion, three hundred thirteen million, one hundred forty-two thousand, two hundred twenty-one".