2195711712 has 120 divisors (see below), whose sum is σ = 6498394056. Its totient is φ = 727273728.

The previous prime is 2195711711. The next prime is 2195711723. The reversal of 2195711712 is 2171175912.

2195711712 is a `hidden beast` number, since 2 + 19 + 571 + 1 + 71 + 2 = 666.

It is a super-2 number, since 2×2195711712² = 9642299844427941888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195711711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 419898 + ... + 425094.

Almost surely, 2^2195711712 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 2195711712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3249197028).

2195711712 is an abundant number, since it is smaller than the sum of its proper divisors (4302682344).

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

2195711712 is a wasteful number, since it uses less digits than its factorization.

2195711712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382 (or 5365 counting only the distinct ones).

The product of its digits is 8820, while the sum is 36.

The square root of 2195711712 is about 46858.4219964779. The cubic root of 2195711712 is about 1299.7458501197.

The spelling of 2195711712 in words is "two billion, one hundred ninety-five million, seven hundred eleven thousand, seven hundred twelve".