2195885 has 12 divisors (see below), whose sum is σ = 2728764. Its totient is φ = 1696320.

The previous prime is 2195867. The next prime is 2195891. The reversal of 2195885 is 5885912.

It can be written as a sum of positive squares in 2 ways, for example, as 1387684 + 808201 = 1178^2 + 899^2 .

It is not a de Polignac number, because 2195885 - 2⁸ = 2195629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4577 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (227397).

2^2195885 is an apocalyptic number.

It is an amenable number.

2195885 is a deficient number, since it is larger than the sum of its proper divisors (532879).

2195885 is an equidigital number, since it uses as much as digits as its factorization.

2195885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 493 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 2195885 is about 1481.8518819369. The cubic root of 2195885 is about 129.9780041681.

It can be divided in two parts, 219 and 5885, that multiplied together give a triangular number (1288815 = T₁₆₀₅).

The spelling of 2195885 in words is "two million, one hundred ninety-five thousand, eight hundred eighty-five".