228709814 has 8 divisors (see below), whose sum is σ = 343154280. Its totient is φ = 114325056.

The previous prime is 228709807. The next prime is 228709837. The reversal of 228709814 is 418907822.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644 + ... + 21695.

It is an arithmetic number, because the mean of its divisors is an integer number (42894285).

Almost surely, 2^228709814 is an apocalyptic number.

228709814 is a deficient number, since it is larger than the sum of its proper divisors (114444466).

228709814 is a wasteful number, since it uses less digits than its factorization.

228709814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29854.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 228709814 is about 15123.1548957220. The cubic root of 228709814 is about 611.5447848021.

The spelling of 228709814 in words is "two hundred twenty-eight million, seven hundred nine thousand, eight hundred fourteen".