2157102822 has 32 divisors (see below), whose sum is σ = 5089572864. Its totient is φ = 596433600.

The previous prime is 2157102811. The next prime is 2157102841. The reversal of 2157102822 is 2282017512.

It is a self number, because there is not a number n which added to its sum of digits gives 2157102822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827079 + ... + 829682.

It is an arithmetic number, because the mean of its divisors is an integer number (159049152).

Almost surely, 2^2157102822 is an apocalyptic number.

2157102822 is an abundant number, since it is smaller than the sum of its proper divisors (2932470042).

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

2157102822 is a wasteful number, since it uses less digits than its factorization.

2157102822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656804.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 2157102822 is about 46444.6210233220. The cubic root of 2157102822 is about 1292.0826127655.

The spelling of 2157102822 in words is "two billion, one hundred fifty-seven million, one hundred two thousand, eight hundred twenty-two".