228162385 has 8 divisors (see below), whose sum is σ = 298685376. Its totient is φ = 165936240.

The previous prime is 228162379. The next prime is 228162409. The reversal of 228162385 is 583261822.

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

It is not a de Polignac number, because 228162385 - 2⁵ = 228162353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2074149 + ... + 2074258.

It is an arithmetic number, because the mean of its divisors is an integer number (37335672).

Almost surely, 2^228162385 is an apocalyptic number.

It is an amenable number.

228162385 is a deficient number, since it is larger than the sum of its proper divisors (70522991).

228162385 is a wasteful number, since it uses less digits than its factorization.

228162385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148423.

The product of its digits is 46080, while the sum is 37.

The square root of 228162385 is about 15105.0450181388. The cubic root of 228162385 is about 611.0564734316.

The spelling of 228162385 in words is "two hundred twenty-eight million, one hundred sixty-two thousand, three hundred eighty-five".