3221342125 has 8 divisors (see below), whose sum is σ = 4020235128. Its totient is φ = 2577073600.

The previous prime is 3221342123. The next prime is 3221342167. The reversal of 3221342125 is 5212431223.

It can be written as a sum of positive squares in 4 ways, for example, as 56942116 + 3164400009 = 7546^2 + 56253^2 .

It is not a de Polignac number, because 3221342125 - 2¹ = 3221342123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3221342125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221342123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12885244 + ... + 12885493.

It is an arithmetic number, because the mean of its divisors is an integer number (502529391).

Almost surely, 2^3221342125 is an apocalyptic number.

It is an amenable number.

3221342125 is a deficient number, since it is larger than the sum of its proper divisors (798893003).

3221342125 is an equidigital number, since it uses as much as digits as its factorization.

3221342125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25770752 (or 25770742 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 3221342125 is about 56756.8685270778. The cubic root of 3221342125 is about 1476.8813874217.

Adding to 3221342125 its reverse (5212431223), we get a palindrome (8433773348).

The spelling of 3221342125 in words is "three billion, two hundred twenty-one million, three hundred forty-two thousand, one hundred twenty-five".