229845581 has 8 divisors (see below), whose sum is σ = 263338944. Its totient is φ = 196516800.

The previous prime is 229845569. The next prime is 229845587. The reversal of 229845581 is 185548922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229845581 is a prime.

It is a super-2 number, since 2×229845581² = 105657982210455122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229845587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38135 + ... + 43748.

It is an arithmetic number, because the mean of its divisors is an integer number (32917368).

Almost surely, 2^229845581 is an apocalyptic number.

It is an amenable number.

229845581 is a deficient number, since it is larger than the sum of its proper divisors (33493363).

229845581 is an equidigital number, since it uses as much as digits as its factorization.

229845581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82291.

The product of its digits is 230400, while the sum is 44.

The square root of 229845581 is about 15160.6589896350. The cubic root of 229845581 is about 612.5554188923. Note that the first 3 decimals are identical.

The spelling of 229845581 in words is "two hundred twenty-nine million, eight hundred forty-five thousand, five hundred eighty-one".