6646242022 has 16 divisors (see below), whose sum is σ = 11399450400. Its totient is φ = 2846916288.

The previous prime is 6646242017. The next prime is 6646242037. The reversal of 6646242022 is 2202426466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94503 + ... + 149074.

It is an arithmetic number, because the mean of its divisors is an integer number (712465650).

Almost surely, 2^6646242022 is an apocalyptic number.

6646242022 is a deficient number, since it is larger than the sum of its proper divisors (4753208378).

6646242022 is a wasteful number, since it uses less digits than its factorization.

6646242022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245535.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 6646242022 is about 81524.4872538307. The cubic root of 6646242022 is about 1880.1480589218.

Adding to 6646242022 its reverse (2202426466), we get a palindrome (8848668488).

The spelling of 6646242022 in words is "six billion, six hundred forty-six million, two hundred forty-two thousand, twenty-two".