229409543 has 8 divisors (see below), whose sum is σ = 264986640. Its totient is φ = 196286080.

The previous prime is 229409533. The next prime is 229409561. The reversal of 229409543 is 345904922.

It is a happy number.

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

It is not a de Polignac number, because 229409543 - 2¹² = 229405447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229409497 and 229409506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229409533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613208 + ... + 613581.

It is an arithmetic number, because the mean of its divisors is an integer number (33123330).

Almost surely, 2^229409543 is an apocalyptic number.

229409543 is a deficient number, since it is larger than the sum of its proper divisors (35577097).

229409543 is a wasteful number, since it uses less digits than its factorization.

229409543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226817.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 229409543 is about 15146.2715874238. The cubic root of 229409543 is about 612.1678158770.

The spelling of 229409543 in words is "two hundred twenty-nine million, four hundred nine thousand, five hundred forty-three".