229905399 has 8 divisors (see below), whose sum is σ = 324572400. Its totient is φ = 144254336.

The previous prime is 229905371. The next prime is 229905407. The reversal of 229905399 is 993509922.

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 229905399 - 2⁵ = 229905367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229905799) 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, 2253924 + ... + 2254025.

It is an arithmetic number, because the mean of its divisors is an integer number (40571550).

Almost surely, 2^229905399 is an apocalyptic number.

229905399 is a deficient number, since it is larger than the sum of its proper divisors (94667001).

229905399 is a wasteful number, since it uses less digits than its factorization.

229905399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507969.

The product of its (nonzero) digits is 393660, while the sum is 48.

The square root of 229905399 is about 15162.6316647210. The cubic root of 229905399 is about 612.6085540764.

The spelling of 229905399 in words is "two hundred twenty-nine million, nine hundred five thousand, three hundred ninety-nine".