228847773512 has 36 divisors (see below), whose sum is σ = 455860697355. Its totient is φ = 107682245376.

The previous prime is 228847773499. The next prime is 228847773523. The reversal of 228847773512 is 215377748822.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

228847773512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 156741560836 + 72106212676 = 395906^2 + 268526^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338266.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22997114 + ... + 23007062.

Almost surely, 2^228847773512 is an apocalyptic number.

It is an amenable number.

228847773512 is a deficient number, since it is larger than the sum of its proper divisors (227012923843).

228847773512 is an frugal number, since it uses more digits than its factorization.

228847773512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19938 (or 9968 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 56.

The spelling of 228847773512 in words is "two hundred twenty-eight billion, eight hundred forty-seven million, seven hundred seventy-three thousand, five hundred twelve".