228671434 has 4 divisors (see below), whose sum is σ = 343007154. Its totient is φ = 114335716.

The previous prime is 228671419. The next prime is 228671449. The reversal of 228671434 is 434176822.

228671434 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 an interprime number because it is at equal distance from previous prime (228671419) and next prime (228671449).

It can be written as a sum of positive squares in only one way, i.e., 200081025 + 28590409 = 14145^2 + 5347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 228671393 and 228671402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57167857 + ... + 57167860.

Almost surely, 2^228671434 is an apocalyptic number.

228671434 is a deficient number, since it is larger than the sum of its proper divisors (114335720).

228671434 is a wasteful number, since it uses less digits than its factorization.

228671434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114335719.

The product of its digits is 64512, while the sum is 37.

The square root of 228671434 is about 15121.8859273571. The cubic root of 228671434 is about 611.5105749280.

The spelling of 228671434 in words is "two hundred twenty-eight million, six hundred seventy-one thousand, four hundred thirty-four".