2195725824 has 120 divisors (see below), whose sum is σ = 6414480072. Its totient is φ = 722964480.

The previous prime is 2195725811. The next prime is 2195725919. The reversal of 2195725824 is 4285275912.

2195725824 is a `hidden beast` number, since 2 + 1 + 9 + 572 + 58 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2195725824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379594 + ... + 385334.

Almost surely, 2^2195725824 is an apocalyptic number.

2195725824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2195725824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3207240036).

2195725824 is an abundant number, since it is smaller than the sum of its proper divisors (4218754248).

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

2195725824 is an equidigital number, since it uses as much as digits as its factorization.

2195725824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848 (or 5829 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 2195725824 is about 46858.5725774911. The cubic root of 2195725824 is about 1299.7486346343.

The spelling of 2195725824 in words is "two billion, one hundred ninety-five million, seven hundred twenty-five thousand, eight hundred twenty-four".