229566805 has 8 divisors (see below), whose sum is σ = 296671032. Its totient is φ = 169526208.

The previous prime is 229566803. The next prime is 229566829. The reversal of 229566805 is 508665922.

It can be written as a sum of positive squares in 4 ways, for example, as 52969284 + 176597521 = 7278^2 + 13289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 229566805 - 2¹ = 229566803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229566803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765834 + ... + 1765963.

It is an arithmetic number, because the mean of its divisors is an integer number (37083879).

Almost surely, 2^229566805 is an apocalyptic number.

It is an amenable number.

229566805 is a deficient number, since it is larger than the sum of its proper divisors (67104227).

229566805 is a wasteful number, since it uses less digits than its factorization.

229566805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531815.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 229566805 is about 15151.4621406648. The cubic root of 229566805 is about 612.3076658357.

The spelling of 229566805 in words is "two hundred twenty-nine million, five hundred sixty-six thousand, eight hundred five".