228135386 has 8 divisors (see below), whose sum is σ = 353241984. Its totient is φ = 110388060.

The previous prime is 228135343. The next prime is 228135409. The reversal of 228135386 is 683531822.

228135386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1839740 + ... + 1839863.

It is an arithmetic number, because the mean of its divisors is an integer number (44155248).

Almost surely, 2^228135386 is an apocalyptic number.

228135386 is a deficient number, since it is larger than the sum of its proper divisors (125106598).

228135386 is a wasteful number, since it uses less digits than its factorization.

228135386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679636.

The product of its digits is 69120, while the sum is 38.

The square root of 228135386 is about 15104.1512836703. The cubic root of 228135386 is about 611.0323698902.

The spelling of 228135386 in words is "two hundred twenty-eight million, one hundred thirty-five thousand, three hundred eighty-six".