229565459 has 2 divisors, whose sum is σ = 229565460. Its totient is φ = 229565458.

The previous prime is 229565417. The next prime is 229565471. The reversal of 229565459 is 954565922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229565459 - 2²⁴ = 212788243 is a prime.

It is not a weakly prime, because it can be changed into another prime (229565159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114782729 + 114782730.

It is an arithmetic number, because the mean of its divisors is an integer number (114782730).

Almost surely, 2^229565459 is an apocalyptic number.

229565459 is a deficient number, since it is larger than the sum of its proper divisors (1).

229565459 is an equidigital number, since it uses as much as digits as its factorization.

229565459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 47.

The square root of 229565459 is about 15151.4177224443. The cubic root of 229565459 is about 612.3064691358.

The spelling of 229565459 in words is "two hundred twenty-nine million, five hundred sixty-five thousand, four hundred fifty-nine".