228519235 has 8 divisors (see below), whose sum is σ = 313397856. Its totient is φ = 156698880.

The previous prime is 228519233. The next prime is 228519257. The reversal of 228519235 is 532915822.

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

It is not a de Polignac number, because 228519235 - 2¹ = 228519233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228519194 and 228519203.

It is not an unprimeable number, because it can be changed into a prime (228519233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3264526 + ... + 3264595.

It is an arithmetic number, because the mean of its divisors is an integer number (39174732).

Almost surely, 2^228519235 is an apocalyptic number.

228519235 is a deficient number, since it is larger than the sum of its proper divisors (84878621).

228519235 is an equidigital number, since it uses as much as digits as its factorization.

228519235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529133.

The product of its digits is 43200, while the sum is 37.

The square root of 228519235 is about 15116.8526816927. The cubic root of 228519235 is about 611.3748751997.

The spelling of 228519235 in words is "two hundred twenty-eight million, five hundred nineteen thousand, two hundred thirty-five".