2266616918 has 4 divisors (see below), whose sum is σ = 3399925380. Its totient is φ = 1133308458.

The previous prime is 2266616917. The next prime is 2266616939. The reversal of 2266616918 is 8196166622.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266616917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566654228 + ... + 566654231.

It is an arithmetic number, because the mean of its divisors is an integer number (849981345).

Almost surely, 2^2266616918 is an apocalyptic number.

2266616918 is a deficient number, since it is larger than the sum of its proper divisors (1133308462).

2266616918 is a wasteful number, since it uses less digits than its factorization.

2266616918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133308461.

The product of its digits is 373248, while the sum is 47.

The square root of 2266616918 is about 47609.0003885820. Note that the first 3 decimals coincide. The cubic root of 2266616918 is about 1313.5886138450.

The spelling of 2266616918 in words is "two billion, two hundred sixty-six million, six hundred sixteen thousand, nine hundred eighteen".