229485905 has 8 divisors (see below), whose sum is σ = 300417984. Its totient is φ = 166898800.

The previous prime is 229485871. The next prime is 229485911. The reversal of 229485905 is 509584922.

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

It is not a de Polignac number, because 229485905 - 2²⁴ = 212708689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086181 + ... + 2086290.

It is an arithmetic number, because the mean of its divisors is an integer number (37552248).

Almost surely, 2^229485905 is an apocalyptic number.

It is an amenable number.

229485905 is a deficient number, since it is larger than the sum of its proper divisors (70932079).

229485905 is a wasteful number, since it uses less digits than its factorization.

229485905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172487.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 229485905 is about 15148.7921960795. The cubic root of 229485905 is about 612.2357310596.

The spelling of 229485905 in words is "two hundred twenty-nine million, four hundred eighty-five thousand, nine hundred five".