229118605 has 16 divisors (see below), whose sum is σ = 292816944. Its totient is φ = 171504640.

The previous prime is 229118581. The next prime is 229118693. The reversal of 229118605 is 506811922.

It can be written as a sum of positive squares in 8 ways, for example, as 10640644 + 218477961 = 3262^2 + 14781^2 .

It is not a de Polignac number, because 229118605 - 2¹⁵ = 229085837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6915 + ... + 22495.

It is an arithmetic number, because the mean of its divisors is an integer number (18301059).

Almost surely, 2^229118605 is an apocalyptic number.

It is an amenable number.

229118605 is a deficient number, since it is larger than the sum of its proper divisors (63698339).

229118605 is a wasteful number, since it uses less digits than its factorization.

229118605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15776.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 229118605 is about 15136.6642626439. The cubic root of 229118605 is about 611.9089219342.

The spelling of 229118605 in words is "two hundred twenty-nine million, one hundred eighteen thousand, six hundred five".