228808743 has 16 divisors (see below), whose sum is σ = 310992000. Its totient is φ = 149597280.

The previous prime is 228808739. The next prime is 228808751. The reversal of 228808743 is 347808822.

228808743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228808743 - 2² = 228808739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228808695 and 228808704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228808793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67708 + ... + 71006.

It is an arithmetic number, because the mean of its divisors is an integer number (19437000).

Almost surely, 2^228808743 is an apocalyptic number.

228808743 is a deficient number, since it is larger than the sum of its proper divisors (82183257).

228808743 is a wasteful number, since it uses less digits than its factorization.

228808743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742.

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 228808743 is about 15126.4253212714. The cubic root of 228808743 is about 611.6329471653.

The spelling of 228808743 in words is "two hundred twenty-eight million, eight hundred eight thousand, seven hundred forty-three".