229278406 has 8 divisors (see below), whose sum is σ = 393048720. Its totient is φ = 98262168.

The previous prime is 229278389. The next prime is 229278419. The reversal of 229278406 is 604872922.

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

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 8188501 + ... + 8188528.

It is an arithmetic number, because the mean of its divisors is an integer number (49131090).

Almost surely, 2^229278406 is an apocalyptic number.

229278406 is a deficient number, since it is larger than the sum of its proper divisors (163770314).

229278406 is a wasteful number, since it uses less digits than its factorization.

229278406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16377038.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 229278406 is about 15141.9419494330. The cubic root of 229278406 is about 612.0511494835.

The spelling of 229278406 in words is "two hundred twenty-nine million, two hundred seventy-eight thousand, four hundred six".