218030467 has 2 divisors, whose sum is σ = 218030468. Its totient is φ = 218030466.

The previous prime is 218030399. The next prime is 218030473. The reversal of 218030467 is 764030812.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-218030467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (218060467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109015233 + 109015234.

It is an arithmetic number, because the mean of its divisors is an integer number (109015234).

Almost surely, 2^218030467 is an apocalyptic number.

218030467 is a deficient number, since it is larger than the sum of its proper divisors (1).

218030467 is an equidigital number, since it uses as much as digits as its factorization.

218030467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 218030467 is about 14765.8547669954. The cubic root of 218030467 is about 601.8742015555.

The spelling of 218030467 in words is "two hundred eighteen million, thirty thousand, four hundred sixty-seven".