2266662191 has 4 divisors (see below), whose sum is σ = 2297712432. Its totient is φ = 2235611952.

The previous prime is 2266662169. The next prime is 2266662199. The reversal of 2266662191 is 1912666622.

It is a happy number.

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 2266662191 - 2²⁶ = 2199553327 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 (2266662199) 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, 15525011 + ... + 15525156.

It is an arithmetic number, because the mean of its divisors is an integer number (574428108).

Almost surely, 2^2266662191 is an apocalyptic number.

2266662191 is a deficient number, since it is larger than the sum of its proper divisors (31050241).

2266662191 is an equidigital number, since it uses as much as digits as its factorization.

2266662191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31050240.

The product of its digits is 93312, while the sum is 41.

The square root of 2266662191 is about 47609.4758530274. The cubic root of 2266662191 is about 1313.5973595813.

The spelling of 2266662191 in words is "two billion, two hundred sixty-six million, six hundred sixty-two thousand, one hundred ninety-one".