228510536 has 8 divisors (see below), whose sum is σ = 428457270. Its totient is φ = 114255264.

The previous prime is 228510533. The next prime is 228510577. The reversal of 228510536 is 635015822.

It can be written as a sum of positive squares in only one way, i.e., 143760100 + 84750436 = 11990^2 + 9206^2 .

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

It is not an unprimeable number, because it can be changed into a prime (228510533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14281901 + ... + 14281916.

Almost surely, 2^228510536 is an apocalyptic number.

It is an amenable number.

228510536 is a deficient number, since it is larger than the sum of its proper divisors (199946734).

228510536 is a wasteful number, since it uses less digits than its factorization.

228510536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28563823 (or 28563819 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 228510536 is about 15116.5649537188. The cubic root of 228510536 is about 611.3671174026.

It can be divided in two parts, 2285 and 10536, that added together give a palindrome (12821).

The spelling of 228510536 in words is "two hundred twenty-eight million, five hundred ten thousand, five hundred thirty-six".