2164856022 has 48 divisors (see below), whose sum is σ = 5372220672. Its totient is φ = 617189040.

The previous prime is 2164856017. The next prime is 2164856033. The reversal of 2164856022 is 2206584612.

It is a happy number.

2164856022 is a `hidden beast` number, since 2 + 1 + 6 + 48 + 5 + 602 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40447 + ... + 77237.

It is an arithmetic number, because the mean of its divisors is an integer number (111921264).

Almost surely, 2^2164856022 is an apocalyptic number.

2164856022 is an abundant number, since it is smaller than the sum of its proper divisors (3207364650).

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

2164856022 is a wasteful number, since it uses less digits than its factorization.

2164856022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37273 (or 37270 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2164856022 is about 46528.0133038152. The cubic root of 2164856022 is about 1293.6287910530.

The spelling of 2164856022 in words is "two billion, one hundred sixty-four million, eight hundred fifty-six thousand, twenty-two".