228506155000 has 40 divisors (see below), whose sum is σ = 535389932880. Its totient is φ = 91402460000.

The previous prime is 228506154997. The next prime is 228506155057. The reversal of 228506155000 is 551605822.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22845616 + ... + 22855615.

It is an arithmetic number, because the mean of its divisors is an integer number (13384748322).

Almost surely, 2^228506155000 is an apocalyptic number.

228506155000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228506155000 is an abundant number, since it is smaller than the sum of its proper divisors (306883777880).

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

228506155000 is an equidigital number, since it uses as much as digits as its factorization.

228506155000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45701257 (or 45701238 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 228506155000 in words is "two hundred twenty-eight billion, five hundred six million, one hundred fifty-five thousand".