228585743 has 4 divisors (see below), whose sum is σ = 236468040. Its totient is φ = 220703448.

The previous prime is 228585719. The next prime is 228585761. The reversal of 228585743 is 347585822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228585743 - 2¹⁴ = 228569359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228585694 and 228585703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228545743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3941105 + ... + 3941162.

It is an arithmetic number, because the mean of its divisors is an integer number (59117010).

Almost surely, 2^228585743 is an apocalyptic number.

228585743 is a deficient number, since it is larger than the sum of its proper divisors (7882297).

228585743 is an equidigital number, since it uses as much as digits as its factorization.

228585743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7882296.

The product of its digits is 537600, while the sum is 44.

The square root of 228585743 is about 15119.0523181845. The cubic root of 228585743 is about 611.4341807488.

The spelling of 228585743 in words is "two hundred twenty-eight million, five hundred eighty-five thousand, seven hundred forty-three".