2218858111 has 2 divisors, whose sum is σ = 2218858112. Its totient is φ = 2218858110.

The previous prime is 2218858097. The next prime is 2218858123. The reversal of 2218858111 is 1118588122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2218858111 - 2³¹ = 71374463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218858711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109429055 + 1109429056.

It is an arithmetic number, because the mean of its divisors is an integer number (1109429056).

Almost surely, 2^2218858111 is an apocalyptic number.

2218858111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218858111 is an equidigital number, since it uses as much as digits as its factorization.

2218858111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10240, while the sum is 37.

The square root of 2218858111 is about 47104.7567767842. The cubic root of 2218858111 is about 1304.2970453103.

The spelling of 2218858111 in words is "two billion, two hundred eighteen million, eight hundred fifty-eight thousand, one hundred eleven".