229708547 has 4 divisors (see below), whose sum is σ = 231741480. Its totient is φ = 227675616.

The previous prime is 229708541. The next prime is 229708597. The reversal of 229708547 is 745807922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 229708547 - 2¹⁰ = 229707523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229708498 and 229708507.

It is not an unprimeable number, because it can be changed into a prime (229708541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016297 + ... + 1016522.

It is an arithmetic number, because the mean of its divisors is an integer number (57935370).

Almost surely, 2^229708547 is an apocalyptic number.

229708547 is a deficient number, since it is larger than the sum of its proper divisors (2032933).

229708547 is a wasteful number, since it uses less digits than its factorization.

229708547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032932.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 229708547 is about 15156.1389212424. The cubic root of 229708547 is about 612.4336594537.

The spelling of 229708547 in words is "two hundred twenty-nine million, seven hundred eight thousand, five hundred forty-seven".