228708383 has 4 divisors (see below), whose sum is σ = 229090800. Its totient is φ = 228325968.

The previous prime is 228708371. The next prime is 228708391. The reversal of 228708383 is 383807822.

228708383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 228708383 - 2¹⁶ = 228642847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228708383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228708313) 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, 190310 + ... + 191507.

It is an arithmetic number, because the mean of its divisors is an integer number (57272700).

Almost surely, 2^228708383 is an apocalyptic number.

228708383 is a deficient number, since it is larger than the sum of its proper divisors (382417).

228708383 is an equidigital number, since it uses as much as digits as its factorization.

228708383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382416.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 228708383 is about 15123.1075840913. The cubic root of 228708383 is about 611.5435093542.

The spelling of 228708383 in words is "two hundred twenty-eight million, seven hundred eight thousand, three hundred eighty-three".