2195289 has 8 divisors (see below), whose sum is σ = 3252320. Its totient is φ = 1463508.

The previous prime is 2195287. The next prime is 2195299. The reversal of 2195289 is 9825912.

It is not a de Polignac number, because 2195289 - 2¹ = 2195287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40627 + ... + 40680.

It is an arithmetic number, because the mean of its divisors is an integer number (406540).

2^2195289 is an apocalyptic number.

It is an amenable number.

2195289 is a deficient number, since it is larger than the sum of its proper divisors (1057031).

2195289 is an equidigital number, since it uses as much as digits as its factorization.

2195289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81316 (or 81310 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 2195289 is about 1481.6507685686. The cubic root of 2195289 is about 129.9662437010.

The spelling of 2195289 in words is "two million, one hundred ninety-five thousand, two hundred eighty-nine".