228828373 has 4 divisors (see below), whose sum is σ = 232706880. Its totient is φ = 224949868.

The previous prime is 228828371. The next prime is 228828377. The reversal of 228828373 is 373828822.

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 a cyclic number.

It is not a de Polignac number, because 228828373 - 2¹ = 228828371 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 (228828371) 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, 1939165 + ... + 1939282.

It is an arithmetic number, because the mean of its divisors is an integer number (58176720).

Almost surely, 2^228828373 is an apocalyptic number.

It is an amenable number.

228828373 is a deficient number, since it is larger than the sum of its proper divisors (3878507).

228828373 is an equidigital number, since it uses as much as digits as its factorization.

228828373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878506.

The product of its digits is 258048, while the sum is 43.

The square root of 228828373 is about 15127.0741718285. The cubic root of 228828373 is about 611.6504377723.

The spelling of 228828373 in words is "two hundred twenty-eight million, eight hundred twenty-eight thousand, three hundred seventy-three".