228239299712 has 24 divisors (see below), whose sum is σ = 454706248035. Its totient is φ = 114116947328.

The previous prime is 228239299697. The next prime is 228239299727. The reversal of 228239299712 is 217992932822.

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.

It is an interprime number because it is at equal distance from previous prime (228239299697) and next prime (228239299727).

It can be written as a sum of positive squares in only one way, i.e., 114119649856 + 114119649856 = 337816^2 + 337816^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337816.

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, 5383943 + ... + 5426169.

Almost surely, 2^228239299712 is an apocalyptic number.

It is an amenable number.

228239299712 is a deficient number, since it is larger than the sum of its proper divisors (226466948323).

228239299712 is an frugal number, since it uses more digits than its factorization.

228239299712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84468 (or 42229 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The spelling of 228239299712 in words is "two hundred twenty-eight billion, two hundred thirty-nine million, two hundred ninety-nine thousand, seven hundred twelve".