228461172504 has 32 divisors (see below), whose sum is σ = 578382720000. Its totient is φ = 75189752352.

The previous prime is 228461172497. The next prime is 228461172521. The reversal of 228461172504 is 405271164822.

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, 60246304 + ... + 60250095.

It is an arithmetic number, because the mean of its divisors is an integer number (18074460000).

Almost surely, 2^228461172504 is an apocalyptic number.

228461172504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228461172504 is an abundant number, since it is smaller than the sum of its proper divisors (349921547496).

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

228461172504 is a wasteful number, since it uses less digits than its factorization.

228461172504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120496487 (or 120496483 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 228461172504 in words is "two hundred twenty-eight billion, four hundred sixty-one million, one hundred seventy-two thousand, five hundred four".