229725719 has 2 divisors, whose sum is σ = 229725720. Its totient is φ = 229725718.

The previous prime is 229725703. The next prime is 229725721. The reversal of 229725719 is 917527922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229725719 - 2⁴ = 229725703 is a prime.

It is a super-2 number, since 2×229725719² = 105547811940133922, which contains 22 as substring.

Together with 229725721, 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 229725719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229725319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114862859 + 114862860.

It is an arithmetic number, because the mean of its divisors is an integer number (114862860).

Almost surely, 2^229725719 is an apocalyptic number.

229725719 is a deficient number, since it is larger than the sum of its proper divisors (1).

229725719 is an equidigital number, since it uses as much as digits as its factorization.

229725719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 44.

The square root of 229725719 is about 15156.7054137764. The cubic root of 229725719 is about 612.4489200218.

The spelling of 229725719 in words is "two hundred twenty-nine million, seven hundred twenty-five thousand, seven hundred nineteen".