3221415343 has 4 divisors (see below), whose sum is σ = 3223347160. Its totient is φ = 3219483528.

The previous prime is 3221415317. The next prime is 3221415349. The reversal of 3221415343 is 3435141223.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3221415343 - 2²⁹ = 2684544431 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 (3221415349) 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, 963405 + ... + 966742.

It is an arithmetic number, because the mean of its divisors is an integer number (805836790).

Almost surely, 2^3221415343 is an apocalyptic number.

3221415343 is a deficient number, since it is larger than the sum of its proper divisors (1931817).

3221415343 is a wasteful number, since it uses less digits than its factorization.

3221415343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931816.

The product of its digits is 8640, while the sum is 28.

The square root of 3221415343 is about 56757.5135378568. The cubic root of 3221415343 is about 1476.8925767002.

Adding to 3221415343 its reverse (3435141223), we get a palindrome (6656556566).

The spelling of 3221415343 in words is "three billion, two hundred twenty-one million, four hundred fifteen thousand, three hundred forty-three".