228153089 has 2 divisors, whose sum is σ = 228153090. Its totient is φ = 228153088.

The previous prime is 228153043. The next prime is 228153091. The reversal of 228153089 is 980351822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184063489 + 44089600 = 13567^2 + 6640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228153089 is a prime.

Together with 228153091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228153019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114076544 + 114076545.

It is an arithmetic number, because the mean of its divisors is an integer number (114076545).

Almost surely, 2^228153089 is an apocalyptic number.

It is an amenable number.

228153089 is a deficient number, since it is larger than the sum of its proper divisors (1).

228153089 is an equidigital number, since it uses as much as digits as its factorization.

228153089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 228153089 is about 15104.7373032436. The cubic root of 228153089 is about 611.0481745789.

The spelling of 228153089 in words is "two hundred twenty-eight million, one hundred fifty-three thousand, eighty-nine".