2266843391 has 4 divisors (see below), whose sum is σ = 2277008832. Its totient is φ = 2256677952.

The previous prime is 2266843379. The next prime is 2266843409. The reversal of 2266843391 is 1933486622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2266843391 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 (2266843351) 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, 5082386 + ... + 5082831.

It is an arithmetic number, because the mean of its divisors is an integer number (569252208).

Almost surely, 2^2266843391 is an apocalyptic number.

2266843391 is a deficient number, since it is larger than the sum of its proper divisors (10165441).

2266843391 is a wasteful number, since it uses less digits than its factorization.

2266843391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10165440.

The product of its digits is 373248, while the sum is 44.

The square root of 2266843391 is about 47611.3787975102. The cubic root of 2266843391 is about 1313.6323622238.

The spelling of 2266843391 in words is "two billion, two hundred sixty-six million, eight hundred forty-three thousand, three hundred ninety-one".