2226191 has 4 divisors (see below), whose sum is σ = 2428584. Its totient is φ = 2023800.

The previous prime is 2226163. The next prime is 2226197. The reversal of 2226191 is 1916222.

2226191 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.

It is a cyclic number.

It is not a de Polignac number, because 2226191 - 2¹⁸ = 1964047 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 (2226197) 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, 101180 + ... + 101201.

It is an arithmetic number, because the mean of its divisors is an integer number (607146).

2^2226191 is an apocalyptic number.

2226191 is a deficient number, since it is larger than the sum of its proper divisors (202393).

2226191 is a wasteful number, since it uses less digits than its factorization.

2226191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202392.

The product of its digits is 432, while the sum is 23.

The square root of 2226191 is about 1492.0425597147. The cubic root of 2226191 is about 130.5732280354.

The spelling of 2226191 in words is "two million, two hundred twenty-six thousand, one hundred ninety-one".