2218812903 has 6 divisors (see below), whose sum is σ = 3204951984. Its totient is φ = 1479208596.

The previous prime is 2218812899. The next prime is 2218812923. The reversal of 2218812903 is 3092188122.

It is not a de Polignac number, because 2218812903 - 2² = 2218812899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218812923) 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 5 ways as a sum of consecutive naturals, for example, 123267375 + ... + 123267392.

It is an arithmetic number, because the mean of its divisors is an integer number (534158664).

Almost surely, 2^2218812903 is an apocalyptic number.

2218812903 is a deficient number, since it is larger than the sum of its proper divisors (986139081).

2218812903 is a wasteful number, since it uses less digits than its factorization.

2218812903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246534773 (or 246534770 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2218812903 is about 47104.2769077289. The cubic root of 2218812903 is about 1304.2881871411.

The spelling of 2218812903 in words is "two billion, two hundred eighteen million, eight hundred twelve thousand, nine hundred three".