229239605 has 16 divisors (see below), whose sum is σ = 322884480. Its totient is φ = 152943552.

The previous prime is 229239601. The next prime is 229239623. The reversal of 229239605 is 506932922.

It is a cyclic number.

It is not a de Polignac number, because 229239605 - 2² = 229239601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229239601) 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 15 ways as a sum of consecutive naturals, for example, 87215 + ... + 89804.

It is an arithmetic number, because the mean of its divisors is an integer number (20180280).

Almost surely, 2^229239605 is an apocalyptic number.

It is an amenable number.

229239605 is a deficient number, since it is larger than the sum of its proper divisors (93644875).

229239605 is a wasteful number, since it uses less digits than its factorization.

229239605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177068.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 229239605 is about 15140.6606526928. The cubic root of 229239605 is about 612.0166215387.

The spelling of 229239605 in words is "two hundred twenty-nine million, two hundred thirty-nine thousand, six hundred five".