229865378 has 4 divisors (see below), whose sum is σ = 344798070. Its totient is φ = 114932688.

The previous prime is 229865369. The next prime is 229865407. The reversal of 229865378 is 873568922.

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., 191462569 + 38402809 = 13837^2 + 6197^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 57466343 + ... + 57466346.

Almost surely, 2^229865378 is an apocalyptic number.

229865378 is a deficient number, since it is larger than the sum of its proper divisors (114932692).

229865378 is a wasteful number, since it uses less digits than its factorization.

229865378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114932691.

The product of its digits is 1451520, while the sum is 50.

The square root of 229865378 is about 15161.3118825516. The cubic root of 229865378 is about 612.5730052089.

It can be divided in two parts, 2298 and 65378, that added together give a palindrome (67676).

The spelling of 229865378 in words is "two hundred twenty-nine million, eight hundred sixty-five thousand, three hundred seventy-eight".