3221886887 has 4 divisors (see below), whose sum is σ = 3300469536. Its totient is φ = 3143304240.

The previous prime is 3221886883. The next prime is 3221886917. The reversal of 3221886887 is 7886881223.

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

It is a cyclic number.

It is not a de Polignac number, because 3221886887 - 2² = 3221886883 is a prime.

It is a super-2 number, since 2×3221886887² = 20761110225245101538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221886881) 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 3 ways as a sum of consecutive naturals, for example, 39291263 + ... + 39291344.

It is an arithmetic number, because the mean of its divisors is an integer number (825117384).

Almost surely, 2^3221886887 is an apocalyptic number.

3221886887 is a deficient number, since it is larger than the sum of its proper divisors (78582649).

3221886887 is an equidigital number, since it uses as much as digits as its factorization.

3221886887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78582648.

The product of its digits is 2064384, while the sum is 53.

The square root of 3221886887 is about 56761.6674085602. The cubic root of 3221886887 is about 1476.9646346604.

The spelling of 3221886887 in words is "three billion, two hundred twenty-one million, eight hundred eighty-six thousand, eight hundred eighty-seven".