2195189 has 4 divisors (see below), whose sum is σ = 2290656. Its totient is φ = 2099724.

The previous prime is 2195177. The next prime is 2195191. The reversal of 2195189 is 9815912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2195189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195119) 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, 47699 + ... + 47744.

It is an arithmetic number, because the mean of its divisors is an integer number (572664).

2^2195189 is an apocalyptic number.

It is an amenable number.

2195189 is a deficient number, since it is larger than the sum of its proper divisors (95467).

2195189 is an equidigital number, since it uses as much as digits as its factorization.

2195189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95466.

The product of its digits is 6480, while the sum is 35.

The square root of 2195189 is about 1481.6170220404. The cubic root of 2195189 is about 129.9642702597.

The spelling of 2195189 in words is "two million, one hundred ninety-five thousand, one hundred eighty-nine".