228144071 has 2 divisors, whose sum is σ = 228144072. Its totient is φ = 228144070.

The previous prime is 228144043. The next prime is 228144083. The reversal of 228144071 is 170441822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228144071 - 2²² = 223949767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228144031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114072035 + 114072036.

It is an arithmetic number, because the mean of its divisors is an integer number (114072036).

Almost surely, 2^228144071 is an apocalyptic number.

228144071 is a deficient number, since it is larger than the sum of its proper divisors (1).

228144071 is an equidigital number, since it uses as much as digits as its factorization.

228144071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 228144071 is about 15104.4387846752. The cubic root of 228144071 is about 611.0401236907.

Adding to 228144071 its reverse (170441822), we get a palindrome (398585893).

The spelling of 228144071 in words is "two hundred twenty-eight million, one hundred forty-four thousand, seventy-one".