228144036 has 24 divisors (see below), whose sum is σ = 536169760. Its totient is φ = 75500352.

The previous prime is 228144031. The next prime is 228144041. The reversal of 228144036 is 630441822.

228144036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228144031) and next prime (228144041).

It is a junction number, because it is equal to n+sod(n) for n = 228143994 and 228144012.

It is not an unprimeable number, because it can be changed into a prime (228144031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66721 + ... + 70056.

Almost surely, 2^228144036 is an apocalyptic number.

It is an amenable number.

228144036 is an abundant number, since it is smaller than the sum of its proper divisors (308025724).

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

228144036 is a wasteful number, since it uses less digits than its factorization.

228144036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136923 (or 136921 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 228144036 is about 15104.4376260753. The cubic root of 228144036 is about 611.0400924437.

Adding to 228144036 its reverse (630441822), we get a palindrome (858585858).

The spelling of 228144036 in words is "two hundred twenty-eight million, one hundred forty-four thousand, thirty-six".