3220975806 has 16 divisors (see below), whose sum is σ = 6446844048. Its totient is φ = 1072843200.

The previous prime is 3220975801. The next prime is 3220975811. The reversal of 3220975806 is 6085790223.

It is an interprime number because it is at equal distance from previous prime (3220975801) and next prime (3220975811).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220975801) 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, 195265 + ... + 211116.

It is an arithmetic number, because the mean of its divisors is an integer number (402927753).

Almost surely, 2^3220975806 is an apocalyptic number.

3220975806 is an abundant number, since it is smaller than the sum of its proper divisors (3225868242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3220975806 is a wasteful number, since it uses less digits than its factorization.

3220975806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407707.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 3220975806 is about 56753.6413457322. The cubic root of 3220975806 is about 1476.8254034870.

The spelling of 3220975806 in words is "three billion, two hundred twenty million, nine hundred seventy-five thousand, eight hundred six".