229943385 has 24 divisors (see below), whose sum is σ = 455507520. Its totient is φ = 105116832.

The previous prime is 229943353. The next prime is 229943393. The reversal of 229943385 is 583349922.

It is a happy number.

229943385 is a `hidden beast` number, since 229 + 9 + 43 + 385 = 666.

229943385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 229943385 - 2⁵ = 229943353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 229943385.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364675 + ... + 365304.

It is an arithmetic number, because the mean of its divisors is an integer number (18979480).

Almost surely, 2^229943385 is an apocalyptic number.

It is an amenable number.

229943385 is a deficient number, since it is larger than the sum of its proper divisors (225564135).

229943385 is a wasteful number, since it uses less digits than its factorization.

229943385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729997 (or 729994 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 229943385 is about 15163.8842319506. The cubic root of 229943385 is about 612.6422915283.

The spelling of 229943385 in words is "two hundred twenty-nine million, nine hundred forty-three thousand, three hundred eighty-five".