228209383 has 8 divisors (see below), whose sum is σ = 235768320. Its totient is φ = 220662840.

The previous prime is 228209369. The next prime is 228209417. The reversal of 228209383 is 383902822.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 228209383 - 2⁵ = 228209351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228206383) 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, 47916 + ... + 52462.

It is an arithmetic number, because the mean of its divisors is an integer number (29471040).

Almost surely, 2^228209383 is an apocalyptic number.

228209383 is a deficient number, since it is larger than the sum of its proper divisors (7558937).

228209383 is a wasteful number, since it uses less digits than its factorization.

228209383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 228209383 is about 15106.6006434274. The cubic root of 228209383 is about 611.0984266813.

The spelling of 228209383 in words is "two hundred twenty-eight million, two hundred nine thousand, three hundred eighty-three".