228347134836 has 12 divisors (see below), whose sum is σ = 532809981312. Its totient is φ = 76115711608.

The previous prime is 228347134823. The next prime is 228347134843. The reversal of 228347134836 is 638431743822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9514463940 + ... + 9514463963.

It is an arithmetic number, because the mean of its divisors is an integer number (44400831776).

Almost surely, 2^228347134836 is an apocalyptic number.

It is an amenable number.

228347134836 is an abundant number, since it is smaller than the sum of its proper divisors (304462846476).

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

228347134836 is a wasteful number, since it uses less digits than its factorization.

228347134836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19028927910 (or 19028927908 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 51.

The spelling of 228347134836 in words is "two hundred twenty-eight billion, three hundred forty-seven million, one hundred thirty-four thousand, eight hundred thirty-six".