2195975 has 12 divisors (see below), whose sum is σ = 2883744. Its totient is φ = 1653120.

The previous prime is 2195969. The next prime is 2195989. The reversal of 2195975 is 5795912.

It is not a de Polignac number, because 2195975 - 2⁶ = 2195911 is a prime.

It is an Ulam number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2159 + ... + 3008.

It is an arithmetic number, because the mean of its divisors is an integer number (240312).

2^2195975 is an apocalyptic number.

2195975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2195975 is a deficient number, since it is larger than the sum of its proper divisors (687769).

2195975 is a wasteful number, since it uses less digits than its factorization.

2195975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194 (or 5189 counting only the distinct ones).

The product of its digits is 28350, while the sum is 38.

The square root of 2195975 is about 1481.8822490333. The cubic root of 2195975 is about 129.9797798926.

The spelling of 2195975 in words is "two million, one hundred ninety-five thousand, nine hundred seventy-five".