228347734 has 4 divisors (see below), whose sum is σ = 342521604. Its totient is φ = 114173866.

The previous prime is 228347731. The next prime is 228347747. The reversal of 228347734 is 437743822.

228347734 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228347731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57086932 + ... + 57086935.

It is an arithmetic number, because the mean of its divisors is an integer number (85630401).

Almost surely, 2^228347734 is an apocalyptic number.

228347734 is a deficient number, since it is larger than the sum of its proper divisors (114173870).

228347734 is a wasteful number, since it uses less digits than its factorization.

228347734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114173869.

The product of its digits is 225792, while the sum is 40.

The square root of 228347734 is about 15111.1791068732. The cubic root of 228347734 is about 611.2218937036.

The spelling of 228347734 in words is "two hundred twenty-eight million, three hundred forty-seven thousand, seven hundred thirty-four".