3220999971 has 16 divisors (see below), whose sum is σ = 5121590784. Its totient is φ = 1760546304.

The previous prime is 3220999963. The next prime is 3220999993. The reversal of 3220999971 is 1799990223.

It is a happy number.

It is not a de Polignac number, because 3220999971 - 2³ = 3220999963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3220999471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3333886 + ... + 3334851.

It is an arithmetic number, because the mean of its divisors is an integer number (320099424).

Almost surely, 2^3220999971 is an apocalyptic number.

3220999971 is a deficient number, since it is larger than the sum of its proper divisors (1900590813).

3220999971 is a wasteful number, since it uses less digits than its factorization.

3220999971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668770.

The product of its (nonzero) digits is 551124, while the sum is 51.

The square root of 3220999971 is about 56753.8542391616. The cubic root of 3220999971 is about 1476.8290967153.

The spelling of 3220999971 in words is "three billion, two hundred twenty million, nine hundred ninety-nine thousand, nine hundred seventy-one".