228749481998 has 8 divisors (see below), whose sum is σ = 343129804992. Its totient is φ = 114372880336.

The previous prime is 228749481979. The next prime is 228749482063. The reversal of 228749481998 is 899184947822.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 771215 + ... + 1025802.

It is an arithmetic number, because the mean of its divisors is an integer number (42891225624).

Almost surely, 2^228749481998 is an apocalyptic number.

228749481998 is a deficient number, since it is larger than the sum of its proper divisors (114380322994).

228749481998 is a wasteful number, since it uses less digits than its factorization.

228749481998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860666.

The product of its digits is 167215104, while the sum is 71.

The spelling of 228749481998 in words is "two hundred twenty-eight billion, seven hundred forty-nine million, four hundred eighty-one thousand, nine hundred ninety-eight".