228480018 has 16 divisors (see below), whose sum is σ = 492110976. Its totient is φ = 70301520.

The previous prime is 228479971. The next prime is 228480047. The reversal of 228480018 is 810084822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464538 + ... + 1464693.

It is an arithmetic number, because the mean of its divisors is an integer number (30756936).

Almost surely, 2^228480018 is an apocalyptic number.

228480018 is an abundant number, since it is smaller than the sum of its proper divisors (263630958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228480018 is a wasteful number, since it uses less digits than its factorization.

228480018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929249.

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 228480018 is about 15115.5554975661. Note that the first 3 decimals coincide. The cubic root of 228480018 is about 611.3398997921.

The spelling of 228480018 in words is "two hundred twenty-eight million, four hundred eighty thousand, eighteen".