229240385 has 16 divisors (see below), whose sum is σ = 306484992. Its totient is φ = 163171200.

The previous prime is 229240373. The next prime is 229240387. The reversal of 229240385 is 583042922.

It is not a de Polignac number, because 229240385 - 2⁸ = 229240129 is a prime.

It is a super-2 number, since 2×229240385² = 105102308229896450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229240387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41756 + ... + 46925.

It is an arithmetic number, because the mean of its divisors is an integer number (19155312).

Almost surely, 2^229240385 is an apocalyptic number.

It is an amenable number.

229240385 is a deficient number, since it is larger than the sum of its proper divisors (77244607).

229240385 is a wasteful number, since it uses less digits than its factorization.

229240385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88744.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 229240385 is about 15140.6864111242. The cubic root of 229240385 is about 612.0173156776.

The spelling of 229240385 in words is "two hundred twenty-nine million, two hundred forty thousand, three hundred eighty-five".