229422805 has 8 divisors (see below), whose sum is σ = 275775192. Its totient is φ = 183226368.

The previous prime is 229422779. The next prime is 229422811. The reversal of 229422805 is 508224922.

It can be written as a sum of positive squares in 4 ways, for example, as 21399876 + 208022929 = 4626^2 + 14423^2 .

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 229422805 - 2¹³ = 229414613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 35724 + ... + 41653.

It is an arithmetic number, because the mean of its divisors is an integer number (34471899).

Almost surely, 2^229422805 is an apocalyptic number.

It is an amenable number.

229422805 is a deficient number, since it is larger than the sum of its proper divisors (46352387).

229422805 is an equidigital number, since it uses as much as digits as its factorization.

229422805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77975.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 229422805 is about 15146.7093786076. The cubic root of 229422805 is about 612.1796119762.

The spelling of 229422805 in words is "two hundred twenty-nine million, four hundred twenty-two thousand, eight hundred five".