2286666823 has 4 divisors (see below), whose sum is σ = 2613333520. Its totient is φ = 1960000128.

The previous prime is 2286666817. The next prime is 2286666827. The reversal of 2286666823 is 3286666822.

It is a happy number.

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-2286666823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286666827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163333338 + ... + 163333351.

It is an arithmetic number, because the mean of its divisors is an integer number (653333380).

Almost surely, 2^2286666823 is an apocalyptic number.

2286666823 is a deficient number, since it is larger than the sum of its proper divisors (326666697).

2286666823 is an equidigital number, since it uses as much as digits as its factorization.

2286666823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326666696.

The product of its digits is 1990656, while the sum is 49.

The square root of 2286666823 is about 47819.1052091107. The cubic root of 2286666823 is about 1317.4504704570.

Subtracting 2286666823 from its reverse (3286666822), we obtain a palindrome (999999999).

The spelling of 2286666823 in words is "two billion, two hundred eighty-six million, six hundred sixty-six thousand, eight hundred twenty-three".