228144518 has 16 divisors (see below), whose sum is σ = 393094944. Its totient is φ = 97278720.

The previous prime is 228144517. The next prime is 228144523. The reversal of 228144518 is 815441822.

228144518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144517) 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, 38603 + ... + 44118.

It is an arithmetic number, because the mean of its divisors is an integer number (24568434).

Almost surely, 2^228144518 is an apocalyptic number.

228144518 is a deficient number, since it is larger than the sum of its proper divisors (164950426).

228144518 is a wasteful number, since it uses less digits than its factorization.

228144518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82927.

The product of its digits is 20480, while the sum is 35.

The square root of 228144518 is about 15104.4535816427. The cubic root of 228144518 is about 611.0405227583.

The spelling of 228144518 in words is "two hundred twenty-eight million, one hundred forty-four thousand, five hundred eighteen".