228660753 has 4 divisors (see below), whose sum is σ = 304881008. Its totient is φ = 152440500.

The previous prime is 228660701. The next prime is 228660787. The reversal of 228660753 is 357066822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 228660753 - 2⁶ = 228660689 is a prime.

It is a super-3 number, since 3×228660753³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228667753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38110123 + ... + 38110128.

It is an arithmetic number, because the mean of its divisors is an integer number (76220252).

Almost surely, 2^228660753 is an apocalyptic number.

It is an amenable number.

228660753 is a deficient number, since it is larger than the sum of its proper divisors (76220255).

228660753 is an equidigital number, since it uses as much as digits as its factorization.

228660753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76220254.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 228660753 is about 15121.5327596114. The cubic root of 228660753 is about 611.5010537764.

The spelling of 228660753 in words is "two hundred twenty-eight million, six hundred sixty thousand, seven hundred fifty-three".