229751 has 2 divisors, whose sum is σ = 229752. Its totient is φ = 229750.

The previous prime is 229739. The next prime is 229753. The reversal of 229751 is 157922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229751 is a prime.

Together with 229753, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114875 + 114876.

It is an arithmetic number, because the mean of its divisors is an integer number (114876).

2²²⁹⁷⁵¹ is an apocalyptic number.

229751 is a deficient number, since it is larger than the sum of its proper divisors (1).

229751 is an equidigital number, since it uses as much as digits as its factorization.

229751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 26.

The square root of 229751 is about 479.3234815863. The cubic root of 229751 is about 61.2471385585.

The spelling of 229751 in words is "two hundred twenty-nine thousand, seven hundred fifty-one".