228663205008 has 80 divisors (see below), whose sum is σ = 675190701696. Its totient is φ = 65323653120.

The previous prime is 228663205003. The next prime is 228663205081. The reversal of 228663205008 is 800502366822.

228663205008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228663205008² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (228663205003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2738598 + ... + 2820858.

Almost surely, 2^228663205008 is an apocalyptic number.

228663205008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228663205008 is an abundant number, since it is smaller than the sum of its proper divisors (446527496688).

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

228663205008 is a wasteful number, since it uses less digits than its factorization.

228663205008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90552 (or 90546 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 228663205008 in words is "two hundred twenty-eight billion, six hundred sixty-three million, two hundred five thousand, eight".