2218918967 has 2 divisors, whose sum is σ = 2218918968. Its totient is φ = 2218918966.

The previous prime is 2218918903. The next prime is 2218918969. The reversal of 2218918967 is 7698198122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2218918967 - 2⁶ = 2218918903 is a prime.

It is a super-2 number, since 2×2218918967² = 9847202764224694178, which contains 22 as substring.

Together with 2218918969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218918969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109459483 + 1109459484.

It is an arithmetic number, because the mean of its divisors is an integer number (1109459484).

Almost surely, 2^2218918967 is an apocalyptic number.

2218918967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218918967 is an equidigital number, since it uses as much as digits as its factorization.

2218918967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 53.

The square root of 2218918967 is about 47105.4027368411. The cubic root of 2218918967 is about 1304.3089693978.

The spelling of 2218918967 in words is "two billion, two hundred eighteen million, nine hundred eighteen thousand, nine hundred sixty-seven".