229804561 has 12 divisors (see below), whose sum is σ = 267909120. Its totient is φ = 196544040.

The previous prime is 229804541. The next prime is 229804571. The reversal of 229804561 is 165408922.

It is not a de Polignac number, because 229804561 - 2⁵ = 229804529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229804561.

It is not an unprimeable number, because it can be changed into a prime (229804501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18576 + ... + 28366.

It is an arithmetic number, because the mean of its divisors is an integer number (22325760).

Almost surely, 2^229804561 is an apocalyptic number.

It is an amenable number.

229804561 is a deficient number, since it is larger than the sum of its proper divisors (38104559).

229804561 is an equidigital number, since it uses as much as digits as its factorization.

229804561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284 (or 10277 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 229804561 is about 15159.3060857019. The cubic root of 229804561 is about 612.5189762828.

The spelling of 229804561 in words is "two hundred twenty-nine million, eight hundred four thousand, five hundred sixty-one".