228144752 has 20 divisors (see below), whose sum is σ = 482215416. Its totient is φ = 103702080.

The previous prime is 228144727. The next prime is 228144767. The reversal of 228144752 is 257441822.

228144752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647963 + ... + 648314.

Almost surely, 2^228144752 is an apocalyptic number.

228144752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

228144752 is an abundant number, since it is smaller than the sum of its proper divisors (254070664).

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

228144752 is a wasteful number, since it uses less digits than its factorization.

228144752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296296 (or 1296290 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The square root of 228144752 is about 15104.4613277005. The cubic root of 228144752 is about 611.0407316660.

The spelling of 228144752 in words is "two hundred twenty-eight million, one hundred forty-four thousand, seven hundred fifty-two".