2882221020 has 72 divisors (see below), whose sum is σ = 9991703904. Its totient is φ = 658793088.

The previous prime is 2882221007. The next prime is 2882221129. The reversal of 2882221020 is 201222882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1142479 + ... + 1144998.

Almost surely, 2^2882221020 is an apocalyptic number.

2882221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2882221020 is an abundant number, since it is smaller than the sum of its proper divisors (7109482884).

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

2882221020 is a wasteful number, since it uses less digits than its factorization.

2882221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287499 (or 2287494 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 2882221020 is about 53686.3206040421. The cubic root of 2882221020 is about 1423.1229653729.

The spelling of 2882221020 in words is "two billion, eight hundred eighty-two million, two hundred twenty-one thousand, twenty".