229836842 has 4 divisors (see below), whose sum is σ = 344755266. Its totient is φ = 114918420.

The previous prime is 229836829. The next prime is 229836847. The reversal of 229836842 is 248638922.

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

It can be written as a sum of positive squares in only one way, i.e., 195132961 + 34703881 = 13969^2 + 5891^2 .

It is a junction number, because it is equal to n+sod(n) for n = 229836793 and 229836802.

It is not an unprimeable number, because it can be changed into a prime (229836847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57459209 + ... + 57459212.

Almost surely, 2^229836842 is an apocalyptic number.

229836842 is a deficient number, since it is larger than the sum of its proper divisors (114918424).

229836842 is a wasteful number, since it uses less digits than its factorization.

229836842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114918423.

The product of its digits is 331776, while the sum is 44.

The square root of 229836842 is about 15160.3707738300. The cubic root of 229836842 is about 612.5476554341.

The spelling of 229836842 in words is "two hundred twenty-nine million, eight hundred thirty-six thousand, eight hundred forty-two".