229563647 has 2 divisors, whose sum is σ = 229563648. Its totient is φ = 229563646.

The previous prime is 229563637. The next prime is 229563671. The reversal of 229563647 is 746365922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229563647 - 2¹⁰ = 229562623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229563598 and 229563607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229563637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114781823 + 114781824.

It is an arithmetic number, because the mean of its divisors is an integer number (114781824).

Almost surely, 2^229563647 is an apocalyptic number.

229563647 is a deficient number, since it is larger than the sum of its proper divisors (1).

229563647 is an equidigital number, since it uses as much as digits as its factorization.

229563647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The square root of 229563647 is about 15151.3579259418. The cubic root of 229563647 is about 612.3048581178.

The spelling of 229563647 in words is "two hundred twenty-nine million, five hundred sixty-three thousand, six hundred forty-seven".