2195115192 has 24 divisors (see below), whose sum is σ = 5945103840. Its totient is φ = 731705040.

The previous prime is 2195115187. The next prime is 2195115199. The reversal of 2195115192 is 2915115912.

2195115192 is a `hidden beast` number, since 2 + 1 + 9 + 511 + 51 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2195115192² = 9637061412298393728, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (2195115199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15243784 + ... + 15243927.

It is an arithmetic number, because the mean of its divisors is an integer number (247712660).

Almost surely, 2^2195115192 is an apocalyptic number.

It is an amenable number.

2195115192 is an abundant number, since it is smaller than the sum of its proper divisors (3749988648).

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

2195115192 is a wasteful number, since it uses less digits than its factorization.

2195115192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30487723 (or 30487716 counting only the distinct ones).

The product of its digits is 8100, while the sum is 36.

The square root of 2195115192 is about 46852.0564329892. The cubic root of 2195115192 is about 1299.6281366371.

The spelling of 2195115192 in words is "two billion, one hundred ninety-five million, one hundred fifteen thousand, one hundred ninety-two".