2182820244 has 192 divisors, whose sum is σ = 6193152000. Its totient is φ = 590578560.

The previous prime is 2182820219. The next prime is 2182820257. The reversal of 2182820244 is 4420282812.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4556797 + ... + 4557275.

It is an arithmetic number, because the mean of its divisors is an integer number (32256000).

Almost surely, 2^2182820244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2182820244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3096576000).

2182820244 is an abundant number, since it is smaller than the sum of its proper divisors (4010331756).

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

2182820244 is a wasteful number, since it uses less digits than its factorization.

2182820244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 2182820244 is about 46720.6618531887. The cubic root of 2182820244 is about 1297.1971653013.

The spelling of 2182820244 in words is "two billion, one hundred eighty-two million, eight hundred twenty thousand, two hundred forty-four".