228144652 has 6 divisors (see below), whose sum is σ = 399253148. Its totient is φ = 114072324.

The previous prime is 228144617. The next prime is 228144667. The reversal of 228144652 is 256441822.

It is a super-2 number, since 2×228144652² = 104099964472402208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28518078 + ... + 28518085.

Almost surely, 2^228144652 is an apocalyptic number.

It is an amenable number.

228144652 is a deficient number, since it is larger than the sum of its proper divisors (171108496).

228144652 is a wasteful number, since it uses less digits than its factorization.

228144652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57036167 (or 57036165 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 228144652 is about 15104.4580174199. The cubic root of 228144652 is about 611.0406423892.

The spelling of 228144652 in words is "two hundred twenty-eight million, one hundred forty-four thousand, six hundred fifty-two".