2195888 has 20 divisors (see below), whose sum is σ = 4316688. Its totient is φ = 1081920.

The previous prime is 2195867. The next prime is 2195891. The reversal of 2195888 is 8885912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170 + ... + 2102.

2^2195888 is an apocalyptic number.

It is an amenable number.

2195888 is a deficient number, since it is larger than the sum of its proper divisors (2120800).

2195888 is a wasteful number, since it uses less digits than its factorization.

2195888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2006 counting only the distinct ones).

The product of its digits is 46080, while the sum is 41.

The square root of 2195888 is about 1481.8528941835. The cubic root of 2195888 is about 129.9780633597.

The spelling of 2195888 in words is "two million, one hundred ninety-five thousand, eight hundred eighty-eight".