228748753 has 8 divisors (see below), whose sum is σ = 242426088. Its totient is φ = 215096064.

The previous prime is 228748711. The next prime is 228748769. The reversal of 228748753 is 357847822.

It can be written as a sum of positive squares in 4 ways, for example, as 40043584 + 188705169 = 6328^2 + 13737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228748753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228748253) 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, 15075 + ... + 26167.

It is an arithmetic number, because the mean of its divisors is an integer number (30303261).

Almost surely, 2^228748753 is an apocalyptic number.

It is an amenable number.

228748753 is a deficient number, since it is larger than the sum of its proper divisors (13677335).

228748753 is a wasteful number, since it uses less digits than its factorization.

228748753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12323.

The product of its digits is 752640, while the sum is 46.

The square root of 228748753 is about 15124.4422376496. The cubic root of 228748753 is about 611.5794890279.

It can be divided in two parts, 2287 and 48753, that added together give a triangular number (51040 = T₃₁₉).

The spelling of 228748753 in words is "two hundred twenty-eight million, seven hundred forty-eight thousand, seven hundred fifty-three".