646006002022 has 8 divisors (see below), whose sum is σ = 969013188000. Its totient is φ = 323001606024.

The previous prime is 646006001981. The next prime is 646006002029. The reversal of 646006002022 is 220200600646.

646006002022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646006002029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35379 + ... + 1137217.

It is an arithmetic number, because the mean of its divisors is an integer number (121126648500).

Almost surely, 2^646006002022 is an apocalyptic number.

646006002022 is a deficient number, since it is larger than the sum of its proper divisors (323007185978).

646006002022 is a wasteful number, since it uses less digits than its factorization.

646006002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394990.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 646006002022 its reverse (220200600646), we get a palindrome (866206602668).

The spelling of 646006002022 in words is "six hundred forty-six billion, six million, two thousand, twenty-two".