228561514028 has 24 divisors (see below), whose sum is σ = 401201097024. Its totient is φ = 113933059200.

The previous prime is 228561514019. The next prime is 228561514037. The reversal of 228561514028 is 820415165822.

It is an interprime number because it is at equal distance from previous prime (228561514019) and next prime (228561514037).

It is a self number, because there is not a number n which added to its sum of digits gives 228561514028.

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, 2105933 + ... + 2211803.

It is an arithmetic number, because the mean of its divisors is an integer number (16716712376).

Almost surely, 2^228561514028 is an apocalyptic number.

It is an amenable number.

228561514028 is a deficient number, since it is larger than the sum of its proper divisors (172639582996).

228561514028 is a wasteful number, since it uses less digits than its factorization.

228561514028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107513 (or 107511 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 228561514028 in words is "two hundred twenty-eight billion, five hundred sixty-one million, five hundred fourteen thousand, twenty-eight".