229546561 has 2 divisors, whose sum is σ = 229546562. Its totient is φ = 229546560.

The previous prime is 229546519. The next prime is 229546589. The reversal of 229546561 is 165645922.

229546561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224070961 + 5475600 = 14969^2 + 2340^2 .

It is a cyclic number.

It is not a de Polignac number, because 229546561 - 2²⁵ = 195992129 is a prime.

It is not a weakly prime, because it can be changed into another prime (229546511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114773280 + 114773281.

It is an arithmetic number, because the mean of its divisors is an integer number (114773281).

Almost surely, 2^229546561 is an apocalyptic number.

It is an amenable number.

229546561 is a deficient number, since it is larger than the sum of its proper divisors (1).

229546561 is an equidigital number, since it uses as much as digits as its factorization.

229546561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The square root of 229546561 is about 15150.7940715990. The cubic root of 229546561 is about 612.2896668328.

The spelling of 229546561 in words is "two hundred twenty-nine million, five hundred forty-six thousand, five hundred sixty-one".