2291195 has 4 divisors (see below), whose sum is σ = 2749440. Its totient is φ = 1832952.

The previous prime is 2291189. The next prime is 2291197. The reversal of 2291195 is 5911922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5911922 = 2 ⋅2955961.

It is a cyclic number.

It is not a de Polignac number, because 2291195 - 2⁶ = 2291131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2291197) 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, 229115 + ... + 229124.

It is an arithmetic number, because the mean of its divisors is an integer number (687360).

2^2291195 is an apocalyptic number.

2291195 is a deficient number, since it is larger than the sum of its proper divisors (458245).

2291195 is an equidigital number, since it uses as much as digits as its factorization.

2291195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458244.

The product of its digits is 1620, while the sum is 29.

The square root of 2291195 is about 1513.6693826592. The cubic root of 2291195 is about 131.8319525123.

The spelling of 2291195 in words is "two million, two hundred ninety-one thousand, one hundred ninety-five".