3228439681 has 8 divisors (see below), whose sum is σ = 3241160000. Its totient is φ = 3215745360.

The previous prime is 3228439679. The next prime is 3228439691. The reversal of 3228439681 is 1869348223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3228439681 - 2¹ = 3228439679 is a prime.

It is a super-2 number, since 2×3228439681² = 20845645547710763522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3228439691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263980 + ... + 275938.

It is an arithmetic number, because the mean of its divisors is an integer number (405145000).

Almost surely, 2^3228439681 is an apocalyptic number.

It is an amenable number.

3228439681 is a deficient number, since it is larger than the sum of its proper divisors (12720319).

3228439681 is a wasteful number, since it uses less digits than its factorization.

3228439681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12999.

The product of its digits is 497664, while the sum is 46.

The square root of 3228439681 is about 56819.3600896737. The cubic root of 3228439681 is about 1477.9652585612.

The spelling of 3228439681 in words is "three billion, two hundred twenty-eight million, four hundred thirty-nine thousand, six hundred eighty-one".