228117702152 has 12 divisors (see below), whose sum is σ = 427723224495. Its totient is φ = 114058175624.

The previous prime is 228117702119. The next prime is 228117702167. The reversal of 228117702152 is 251207711822.

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.

It can be written as a sum of positive squares in only one way, i.e., 114058851076 + 114058851076 = 337726^2 + 337726^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337726.

It is a super-2 number, since 2×228117702152² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1266473 + ... + 1435335.

Almost surely, 2^228117702152 is an apocalyptic number.

It is an amenable number.

228117702152 is a deficient number, since it is larger than the sum of its proper divisors (199605522343).

228117702152 is an frugal number, since it uses more digits than its factorization.

228117702152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337732 (or 168865 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 38.

The spelling of 228117702152 in words is "two hundred twenty-eight billion, one hundred seventeen million, seven hundred two thousand, one hundred fifty-two".