229738178 has 4 divisors (see below), whose sum is σ = 344607270. Its totient is φ = 114869088.

The previous prime is 229738141. The next prime is 229738181. The reversal of 229738178 is 871837922.

Added to its reverse (871837922) it gives a square (1101576100 = 33190²).

229738178 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 175377049 + 54361129 = 13243^2 + 7373^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 57434543 + ... + 57434546.

Almost surely, 2^229738178 is an apocalyptic number.

229738178 is a deficient number, since it is larger than the sum of its proper divisors (114869092).

229738178 is a wasteful number, since it uses less digits than its factorization.

229738178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114869091.

The product of its digits is 338688, while the sum is 47.

The square root of 229738178 is about 15157.1164144108. The cubic root of 229738178 is about 612.4599917224.

Adding to 229738178 its reverse (871837922), we get a square (1101576100 = 33190²).

The spelling of 229738178 in words is "two hundred twenty-nine million, seven hundred thirty-eight thousand, one hundred seventy-eight".