228153389 has 2 divisors, whose sum is σ = 228153390. Its totient is φ = 228153388.

The previous prime is 228153377. The next prime is 228153391. The reversal of 228153389 is 983351822.

228153389 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 can be written as a sum of positive squares in only one way, i.e., 197262025 + 30891364 = 14045^2 + 5558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228153389 is a prime.

Together with 228153391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228153089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114076694 + 114076695.

It is an arithmetic number, because the mean of its divisors is an integer number (114076695).

Almost surely, 2^228153389 is an apocalyptic number.

It is an amenable number.

228153389 is a deficient number, since it is larger than the sum of its proper divisors (1).

228153389 is an equidigital number, since it uses as much as digits as its factorization.

228153389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 228153389 is about 15104.7472338997. The cubic root of 228153389 is about 611.0484424025.

The spelling of 228153389 in words is "two hundred twenty-eight million, one hundred fifty-three thousand, three hundred eighty-nine".