2821822830 has 24 divisors (see below), whose sum is σ = 7336739592. Its totient is φ = 752486064.

The previous prime is 2821822813. The next prime is 2821822831. The reversal of 2821822830 is 382281282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821822831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15676704 + ... + 15676883.

It is an arithmetic number, because the mean of its divisors is an integer number (305697483).

Almost surely, 2^2821822830 is an apocalyptic number.

2821822830 is an abundant number, since it is smaller than the sum of its proper divisors (4514916762).

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

2821822830 is a wasteful number, since it uses less digits than its factorization.

2821822830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31353600 (or 31353597 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 2821822830 is about 53120.8323541716. The cubic root of 2821822830 is about 1413.1119887559. Note that the first 3 decimals are identical.

The spelling of 2821822830 in words is "two billion, eight hundred twenty-one million, eight hundred twenty-two thousand, eight hundred thirty".