2022644646 has 24 divisors (see below), whose sum is σ = 4780796904. Its totient is φ = 612922560.

The previous prime is 2022644623. The next prime is 2022644651. The reversal of 2022644646 is 6464462202.

2022644646 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 6 + 4 + 4 + 646 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2022644646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5107491 + ... + 5107886.

It is an arithmetic number, because the mean of its divisors is an integer number (199199871).

Almost surely, 2^2022644646 is an apocalyptic number.

2022644646 is an abundant number, since it is smaller than the sum of its proper divisors (2758152258).

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

2022644646 is a wasteful number, since it uses less digits than its factorization.

2022644646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215396 (or 10215393 counting only the distinct ones).

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

The square root of 2022644646 is about 44973.8217855677. The cubic root of 2022644646 is about 1264.6582934531.

The spelling of 2022644646 in words is "two billion, twenty-two million, six hundred forty-four thousand, six hundred forty-six".