229747589 has 4 divisors (see below), whose sum is σ = 229917024. Its totient is φ = 229578156.

The previous prime is 229747547. The next prime is 229747591. The reversal of 229747589 is 985747922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229747589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229747589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229747519) 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, 82667 + ... + 85400.

It is an arithmetic number, because the mean of its divisors is an integer number (57479256).

Almost surely, 2^229747589 is an apocalyptic number.

It is an amenable number.

229747589 is a deficient number, since it is larger than the sum of its proper divisors (169435).

229747589 is a wasteful number, since it uses less digits than its factorization.

229747589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169434.

The product of its digits is 2540160, while the sum is 53.

The square root of 229747589 is about 15157.4268594640. The cubic root of 229747589 is about 612.4683545500.

The spelling of 229747589 in words is "two hundred twenty-nine million, seven hundred forty-seven thousand, five hundred eighty-nine".