6572221206 has 32 divisors (see below), whose sum is σ = 13244491008. Its totient is φ = 2174108640.

The previous prime is 6572221141. The next prime is 6572221211. The reversal of 6572221206 is 6021222756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657361 + ... + 667283.

It is an arithmetic number, because the mean of its divisors is an integer number (413890344).

Almost surely, 2^6572221206 is an apocalyptic number.

6572221206 is an abundant number, since it is smaller than the sum of its proper divisors (6672269802).

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

6572221206 is a wasteful number, since it uses less digits than its factorization.

6572221206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10756.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 6572221206 is about 81069.2371124831. The cubic root of 6572221206 is about 1873.1420962135.

The spelling of 6572221206 in words is "six billion, five hundred seventy-two million, two hundred twenty-one thousand, two hundred six".