2218565803 has 2 divisors, whose sum is σ = 2218565804. Its totient is φ = 2218565802.

The previous prime is 2218565777. The next prime is 2218565831. The reversal of 2218565803 is 3085658122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2218565803 - 2¹³ = 2218557611 is a prime.

It is not a weakly prime, because it can be changed into another prime (2218565903) 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 as a sum of consecutive naturals, namely, 1109282901 + 1109282902.

It is an arithmetic number, because the mean of its divisors is an integer number (1109282902).

Almost surely, 2^2218565803 is an apocalyptic number.

2218565803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218565803 is an equidigital number, since it uses as much as digits as its factorization.

2218565803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 2218565803 is about 47101.6539306212. The cubic root of 2218565803 is about 1304.2397676198.

The spelling of 2218565803 in words is "two billion, two hundred eighteen million, five hundred sixty-five thousand, eight hundred three".