6464642022 has 16 divisors (see below), whose sum is σ = 14365871280. Its totient is φ = 2154880656.

The previous prime is 6464642021. The next prime is 6464642027. The reversal of 6464642022 is 2202464646.

6464642022 is a `hidden beast` number, since 6 + 4 + 6 + 4 + 642 + 0 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464642021) 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, 59857743 + ... + 59857850.

It is an arithmetic number, because the mean of its divisors is an integer number (897866955).

Almost surely, 2^6464642022 is an apocalyptic number.

6464642022 is an abundant number, since it is smaller than the sum of its proper divisors (7901229258).

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

6464642022 is a wasteful number, since it uses less digits than its factorization.

6464642022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119715604 (or 119715598 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The square root of 6464642022 is about 80402.9975933733. The cubic root of 6464642022 is about 1862.8654739874.

The spelling of 6464642022 in words is "six billion, four hundred sixty-four million, six hundred forty-two thousand, twenty-two".