228518074 has 8 divisors (see below), whose sum is σ = 342856800. Its totient is φ = 114232476.

The previous prime is 228518047. The next prime is 228518083. The reversal of 228518074 is 470815822.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217 + ... + 21379.

It is an arithmetic number, because the mean of its divisors is an integer number (42857100).

Almost surely, 2^228518074 is an apocalyptic number.

228518074 is a deficient number, since it is larger than the sum of its proper divisors (114338726).

228518074 is a wasteful number, since it uses less digits than its factorization.

228518074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26564.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 228518074 is about 15116.8142807934. The cubic root of 228518074 is about 611.3738398274.

The spelling of 228518074 in words is "two hundred twenty-eight million, five hundred eighteen thousand, seventy-four".