2266191 has 8 divisors (see below), whose sum is σ = 3357360. Its totient is φ = 1510776.

The previous prime is 2266183. The next prime is 2266217. The reversal of 2266191 is 1916622.

It is not a de Polignac number, because 2266191 - 2³ = 2266183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 83933 = 2266191 / (2 + 2 + 6 + 6 + 1 + 9 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41940 + ... + 41993.

It is an arithmetic number, because the mean of its divisors is an integer number (419670).

2^2266191 is an apocalyptic number.

2266191 is a deficient number, since it is larger than the sum of its proper divisors (1091169).

2266191 is an equidigital number, since it uses as much as digits as its factorization.

2266191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83942 (or 83936 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2266191 is about 1505.3873255744. The cubic root of 2266191 is about 131.3506330262.

The spelling of 2266191 in words is "two million, two hundred sixty-six thousand, one hundred ninety-one".