229537385 has 32 divisors (see below), whose sum is σ = 361497600. Its totient is φ = 135552960.

The previous prime is 229537369. The next prime is 229537403. The reversal of 229537385 is 583735922.

It is not a de Polignac number, because 229537385 - 2⁴ = 229537369 is a prime.

It is a super-2 number, since 2×229537385² = 105374822225276450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8375 + ... + 23004.

It is an arithmetic number, because the mean of its divisors is an integer number (11296800).

Almost surely, 2^229537385 is an apocalyptic number.

It is an amenable number.

229537385 is a deficient number, since it is larger than the sum of its proper divisors (131960215).

229537385 is a wasteful number, since it uses less digits than its factorization.

229537385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31421.

The product of its digits is 453600, while the sum is 44.

The square root of 229537385 is about 15150.4912461610. The cubic root of 229537385 is about 612.2815080743.

It can be divided in two parts, 229537 and 385, that added together give a palindrome (229922).

The spelling of 229537385 in words is "two hundred twenty-nine million, five hundred thirty-seven thousand, three hundred eighty-five".