229436189 has 8 divisors (see below), whose sum is σ = 234692568. Its totient is φ = 224228160.

The previous prime is 229436183. The next prime is 229436227. The reversal of 229436189 is 981634922.

It can be written as a sum of positive squares in 4 ways, for example, as 5484964 + 223951225 = 2342^2 + 14965^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 229436189 - 2⁸ = 229435933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229436183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2402 + ... + 21555.

It is an arithmetic number, because the mean of its divisors is an integer number (29336571).

Almost surely, 2^229436189 is an apocalyptic number.

It is an amenable number.

229436189 is a deficient number, since it is larger than the sum of its proper divisors (5256379).

229436189 is a wasteful number, since it uses less digits than its factorization.

229436189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24175.

The product of its digits is 186624, while the sum is 44.

The square root of 229436189 is about 15147.1511842987. The cubic root of 229436189 is about 612.1915161293.

It can be divided in two parts, 2294 and 36189, that added together give a palindrome (38483).

The spelling of 229436189 in words is "two hundred twenty-nine million, four hundred thirty-six thousand, one hundred eighty-nine".