2195232878 has 8 divisors (see below), whose sum is σ = 3299146968. Its totient is φ = 1095517224.

The previous prime is 2195232877. The next prime is 2195232913. The reversal of 2195232878 is 8782325912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195232877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048301 + ... + 1050392.

It is an arithmetic number, because the mean of its divisors is an integer number (412393371).

Almost surely, 2^2195232878 is an apocalyptic number.

2195232878 is a deficient number, since it is larger than the sum of its proper divisors (1103914090).

2195232878 is a wasteful number, since it uses less digits than its factorization.

2195232878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099218.

The product of its digits is 483840, while the sum is 47.

The square root of 2195232878 is about 46853.3123482214. The cubic root of 2195232878 is about 1299.6513617362.

The spelling of 2195232878 in words is "two billion, one hundred ninety-five million, two hundred thirty-two thousand, eight hundred seventy-eight".