229342871 has 2 divisors, whose sum is σ = 229342872. Its totient is φ = 229342870.

The previous prime is 229342849. The next prime is 229342873. The reversal of 229342871 is 178243922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229342871 is a prime.

Together with 229342873, 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 (229342873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114671435 + 114671436.

It is an arithmetic number, because the mean of its divisors is an integer number (114671436).

Almost surely, 2^229342871 is an apocalyptic number.

229342871 is a deficient number, since it is larger than the sum of its proper divisors (1).

229342871 is an equidigital number, since it uses as much as digits as its factorization.

229342871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 229342871 is about 15144.0704897990. The cubic root of 229342871 is about 612.1085065059.

The spelling of 229342871 in words is "two hundred twenty-nine million, three hundred forty-two thousand, eight hundred seventy-one".