2184220852 has 72 divisors (see below), whose sum is σ = 4503477888. Its totient is φ = 923820480.

The previous prime is 2184220817. The next prime is 2184220891. The reversal of 2184220852 is 2580224812.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409233 + ... + 414535.

It is an arithmetic number, because the mean of its divisors is an integer number (62548304).

Almost surely, 2^2184220852 is an apocalyptic number.

2184220852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2184220852 is an abundant number, since it is smaller than the sum of its proper divisors (2319257036).

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

2184220852 is a wasteful number, since it uses less digits than its factorization.

2184220852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389 (or 5376 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 2184220852 is about 46735.6486207263. The cubic root of 2184220852 is about 1297.4745551098.

The spelling of 2184220852 in words is "two billion, one hundred eighty-four million, two hundred twenty thousand, eight hundred fifty-two".