2225191 has 4 divisors (see below), whose sum is σ = 2229984. Its totient is φ = 2220400.

The previous prime is 2225183. The next prime is 2225203. The reversal of 2225191 is 1915222.

2225191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1915222 = 2 ⋅957611.

It is a cyclic number.

It is not a de Polignac number, because 2225191 - 2³ = 2225183 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615 + ... + 2656.

It is an arithmetic number, because the mean of its divisors is an integer number (557496).

2^2225191 is an apocalyptic number.

2225191 is a deficient number, since it is larger than the sum of its proper divisors (4793).

2225191 is an equidigital number, since it uses as much as digits as its factorization.

2225191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792.

The product of its digits is 360, while the sum is 22.

The square root of 2225191 is about 1491.7074109892. The cubic root of 2225191 is about 130.5536740403.

The spelling of 2225191 in words is "two million, two hundred twenty-five thousand, one hundred ninety-one".