228025438 has 8 divisors (see below), whose sum is σ = 342183888. Its totient is φ = 113964144.

The previous prime is 228025411. The next prime is 228025439. The reversal of 228025438 is 834520822.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228025439) 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, 18106 + ... + 27997.

It is an arithmetic number, because the mean of its divisors is an integer number (42772986).

Almost surely, 2^228025438 is an apocalyptic number.

228025438 is a deficient number, since it is larger than the sum of its proper divisors (114158450).

228025438 is a wasteful number, since it uses less digits than its factorization.

228025438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48578.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 228025438 is about 15100.5111834004. The cubic root of 228025438 is about 610.9341934175.

The spelling of 228025438 in words is "two hundred twenty-eight million, twenty-five thousand, four hundred thirty-eight".