228334434 has 8 divisors (see below), whose sum is σ = 456668880. Its totient is φ = 76111476.

The previous prime is 228334433. The next prime is 228334451. The reversal of 228334434 is 434433822.

228334434 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.

228334434 is an admirable number.

It is a super-2 number, since 2×228334434² = 104273227500200712, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228334395 and 228334404.

It is not an unprimeable number, because it can be changed into a prime (228334433) 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, 19027864 + ... + 19027875.

It is an arithmetic number, because the mean of its divisors is an integer number (57083610).

Almost surely, 2^228334434 is an apocalyptic number.

228334434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228334434 is a wasteful number, since it uses less digits than its factorization.

228334434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38055744.

The product of its digits is 55296, while the sum is 33.

The square root of 228334434 is about 15110.7390289158. The cubic root of 228334434 is about 611.2100267017.

The spelling of 228334434 in words is "two hundred twenty-eight million, three hundred thirty-four thousand, four hundred thirty-four".