228134443 has 2 divisors, whose sum is σ = 228134444. Its totient is φ = 228134442.

The previous prime is 228134377. The next prime is 228134477. The reversal of 228134443 is 344431822.

It is a happy number.

228134443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228134443 - 2¹³ = 228126251 is a prime.

It is not a weakly prime, because it can be changed into another prime (228134483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114067221 + 114067222.

It is an arithmetic number, because the mean of its divisors is an integer number (114067222).

Almost surely, 2^228134443 is an apocalyptic number.

228134443 is a deficient number, since it is larger than the sum of its proper divisors (1).

228134443 is an equidigital number, since it uses as much as digits as its factorization.

228134443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

The square root of 228134443 is about 15104.1200670546. The cubic root of 228134443 is about 611.0315279861.

The spelling of 228134443 in words is "two hundred twenty-eight million, one hundred thirty-four thousand, four hundred forty-three".