3221125343 has 4 divisors (see below), whose sum is σ = 3221474640. Its totient is φ = 3220776048.

The previous prime is 3221125301. The next prime is 3221125351. The reversal of 3221125343 is 3435211223.

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 3221125343 - 2²⁰ = 3220076767 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 (3221125393) 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, 160430 + ... + 179387.

It is an arithmetic number, because the mean of its divisors is an integer number (805368660).

Almost surely, 2^3221125343 is an apocalyptic number.

3221125343 is a deficient number, since it is larger than the sum of its proper divisors (349297).

3221125343 is an equidigital number, since it uses as much as digits as its factorization.

3221125343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349296.

The product of its digits is 4320, while the sum is 26.

The square root of 3221125343 is about 56754.9587525178. The cubic root of 3221125343 is about 1476.8482574953.

Adding to 3221125343 its reverse (3435211223), we get a palindrome (6656336566).

The spelling of 3221125343 in words is "three billion, two hundred twenty-one million, one hundred twenty-five thousand, three hundred forty-three".