2218948367 has 2 divisors, whose sum is σ = 2218948368. Its totient is φ = 2218948366.

The previous prime is 2218948363. The next prime is 2218948387. The reversal of 2218948367 is 7638498122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2218948367 - 2² = 2218948363 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218948363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109474183 + 1109474184.

It is an arithmetic number, because the mean of its divisors is an integer number (1109474184).

Almost surely, 2^2218948367 is an apocalyptic number.

2218948367 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218948367 is an equidigital number, since it uses as much as digits as its factorization.

2218948367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The square root of 2218948367 is about 47105.7148019219. The cubic root of 2218948367 is about 1304.3147299378.

The spelling of 2218948367 in words is "two billion, two hundred eighteen million, nine hundred forty-eight thousand, three hundred sixty-seven".