228478068276 has 24 divisors (see below), whose sum is σ = 533135174880. Its totient is φ = 76156544352.

The previous prime is 228478068263. The next prime is 228478068293. The reversal of 228478068276 is 672860874822.

It is a super-2 number, since 2×228478068276² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270 + ... + 675986.

It is an arithmetic number, because the mean of its divisors is an integer number (22213965620).

Almost surely, 2^228478068276 is an apocalyptic number.

It is an amenable number.

228478068276 is an abundant number, since it is smaller than the sum of its proper divisors (304657106604).

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

228478068276 is a wasteful number, since it uses less digits than its factorization.

228478068276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702943 (or 702941 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 60.

The spelling of 228478068276 in words is "two hundred twenty-eight billion, four hundred seventy-eight million, sixty-eight thousand, two hundred seventy-six".