3221124881 has 8 divisors (see below), whose sum is σ = 3504666984. Its totient is φ = 2942691840.

The previous prime is 3221124857. The next prime is 3221124889. The reversal of 3221124881 is 1884211223.

It can be written as a sum of positive squares in 4 ways, for example, as 20394256 + 3200730625 = 4516^2 + 56575^2 .

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 3221124881 - 2⁶ = 3221124817 is a prime.

It is a super-2 number, since 2×3221124881² = 20751290997994528322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3221124889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275950 + ... + 1278471.

It is an arithmetic number, because the mean of its divisors is an integer number (438083373).

Almost surely, 2^3221124881 is an apocalyptic number.

It is an amenable number.

3221124881 is a deficient number, since it is larger than the sum of its proper divisors (283542103).

3221124881 is a wasteful number, since it uses less digits than its factorization.

3221124881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554531.

The product of its digits is 6144, while the sum is 32.

The square root of 3221124881 is about 56754.9546823887. The cubic root of 3221124881 is about 1476.8481868881.

The spelling of 3221124881 in words is "three billion, two hundred twenty-one million, one hundred twenty-four thousand, eight hundred eighty-one".