228488306 has 8 divisors (see below), whose sum is σ = 343015020. Its totient is φ = 114149968.

The previous prime is 228488287. The next prime is 228488311. The reversal of 228488306 is 603884822.

It can be written as a sum of positive squares in 2 ways, for example, as 217828081 + 10660225 = 14759^2 + 3265^2 .

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

It is a Curzon 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, 44021 + ... + 48936.

Almost surely, 2^228488306 is an apocalyptic number.

228488306 is a deficient number, since it is larger than the sum of its proper divisors (114526714).

228488306 is a wasteful number, since it uses less digits than its factorization.

228488306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94188.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 228488306 is about 15115.8296497414. The cubic root of 228488306 is about 611.3472917205.

The spelling of 228488306 in words is "two hundred twenty-eight million, four hundred eighty-eight thousand, three hundred six".