228243658 has 8 divisors (see below), whose sum is σ = 344979360. Its totient is φ = 113250540.

The previous prime is 228243643. The next prime is 228243667. The reversal of 228243658 is 856342822.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 228243658.

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, 435318 + ... + 435841.

It is an arithmetic number, because the mean of its divisors is an integer number (43122420).

Almost surely, 2^228243658 is an apocalyptic number.

228243658 is a deficient number, since it is larger than the sum of its proper divisors (116735702).

228243658 is a wasteful number, since it uses less digits than its factorization.

228243658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871292.

The product of its digits is 184320, while the sum is 40.

The square root of 228243658 is about 15107.7350387144. The cubic root of 228243658 is about 611.1290189818.

The spelling of 228243658 in words is "two hundred twenty-eight million, two hundred forty-three thousand, six hundred fifty-eight".