228652136 has 8 divisors (see below), whose sum is σ = 428722770. Its totient is φ = 114326064.

The previous prime is 228652111. The next prime is 228652139. The reversal of 228652136 is 631256822.

It can be written as a sum of positive squares in only one way, i.e., 210076036 + 18576100 = 14494^2 + 4310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 228652096 and 228652105.

It is not an unprimeable number, because it can be changed into a prime (228652139) by changing a digit.

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, 14290751 + ... + 14290766.

Almost surely, 2^228652136 is an apocalyptic number.

It is an amenable number.

228652136 is a deficient number, since it is larger than the sum of its proper divisors (200070634).

228652136 is a wasteful number, since it uses less digits than its factorization.

228652136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28581523 (or 28581519 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 228652136 is about 15121.2478321070. The cubic root of 228652136 is about 611.4933722793.

The spelling of 228652136 in words is "two hundred twenty-eight million, six hundred fifty-two thousand, one hundred thirty-six".