187226130228 has 24 divisors (see below), whose sum is σ = 450953260800. Its totient is φ = 60395525760.

The previous prime is 187226130191. The next prime is 187226130233. The reversal of 187226130228 is 822031622781.

It is a self number, because there is not a number n which added to its sum of digits gives 187226130228.

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, 251647653 + ... + 251648396.

It is an arithmetic number, because the mean of its divisors is an integer number (18789719200).

Almost surely, 2^187226130228 is an apocalyptic number.

It is an amenable number.

187226130228 is an abundant number, since it is smaller than the sum of its proper divisors (263727130572).

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

187226130228 is a wasteful number, since it uses less digits than its factorization.

187226130228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503296087 (or 503296085 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 187226130228 in words is "one hundred eighty-seven billion, two hundred twenty-six million, one hundred thirty thousand, two hundred twenty-eight".