228944786 has 8 divisors (see below), whose sum is σ = 392476800. Its totient is φ = 98119188.

The previous prime is 228944777. The next prime is 228944803. The reversal of 228944786 is 687449822.

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

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, 8176586 + ... + 8176613.

It is an arithmetic number, because the mean of its divisors is an integer number (49059600).

Almost surely, 2^228944786 is an apocalyptic number.

228944786 is a deficient number, since it is larger than the sum of its proper divisors (163532014).

228944786 is a wasteful number, since it uses less digits than its factorization.

228944786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16353208.

The product of its digits is 1548288, while the sum is 50.

The square root of 228944786 is about 15130.9215185328. The cubic root of 228944786 is about 611.7541428479.

The spelling of 228944786 in words is "two hundred twenty-eight million, nine hundred forty-four thousand, seven hundred eighty-six".