3221252116 has 24 divisors (see below), whose sum is σ = 5854622760. Its totient is φ = 1549481472.

The previous prime is 3221252107. The next prime is 3221252119. The reversal of 3221252116 is 6112521223.

It can be written as a sum of positive squares in 4 ways, for example, as 220403716 + 3000848400 = 14846^2 + 54780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221252119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109105 + ... + 135448.

It is an arithmetic number, because the mean of its divisors is an integer number (243942615).

Almost surely, 2^3221252116 is an apocalyptic number.

It is an amenable number.

3221252116 is a deficient number, since it is larger than the sum of its proper divisors (2633370644).

3221252116 is a wasteful number, since it uses less digits than its factorization.

3221252116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244683 (or 244681 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 3221252116 is about 56756.0755866718. The cubic root of 3221252116 is about 1476.8676318865.

Adding to 3221252116 its reverse (6112521223), we get a palindrome (9333773339).

The spelling of 3221252116 in words is "three billion, two hundred twenty-one million, two hundred fifty-two thousand, one hundred sixteen".