2821881282 has 16 divisors (see below), whose sum is σ = 6156832032. Its totient is φ = 855115520.

The previous prime is 2821881253. The next prime is 2821881301.

2821881282 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21377823 + ... + 21377954.

It is an arithmetic number, because the mean of its divisors is an integer number (384802002).

Almost surely, 2^2821881282 is an apocalyptic number.

2821881282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2821881282 is an abundant number, since it is smaller than the sum of its proper divisors (3334950750).

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

2821881282 is a wasteful number, since it uses less digits than its factorization.

2821881282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42755793.

The product of its digits is 65536, while the sum is 42.

The square root of 2821881282 is about 53121.3825309545. The cubic root of 2821881282 is about 1413.1217458830.

The spelling of 2821881282 in words is "two billion, eight hundred twenty-one million, eight hundred eighty-one thousand, two hundred eighty-two".