3221881959 has 4 divisors (see below), whose sum is σ = 4295842616. Its totient is φ = 2147921304.

The previous prime is 3221881951. The next prime is 3221881963. The reversal of 3221881959 is 9591881223.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3221881959 - 2³ = 3221881951 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 (3221881951) 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, 536980324 + ... + 536980329.

It is an arithmetic number, because the mean of its divisors is an integer number (1073960654).

Almost surely, 2^3221881959 is an apocalyptic number.

3221881959 is a deficient number, since it is larger than the sum of its proper divisors (1073960657).

3221881959 is a wasteful number, since it uses less digits than its factorization.

3221881959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073960656.

The product of its digits is 311040, while the sum is 48.

The square root of 3221881959 is about 56761.6239989661. The cubic root of 3221881959 is about 1476.9638816353.

The spelling of 3221881959 in words is "three billion, two hundred twenty-one million, eight hundred eighty-one thousand, nine hundred fifty-nine".