228016141 has 2 divisors, whose sum is σ = 228016142. Its totient is φ = 228016140.

The previous prime is 228016099. The next prime is 228016153. The reversal of 228016141 is 141610822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224700100 + 3316041 = 14990^2 + 1821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228016141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228016541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114008070 + 114008071.

It is an arithmetic number, because the mean of its divisors is an integer number (114008071).

Almost surely, 2^228016141 is an apocalyptic number.

It is an amenable number.

228016141 is a deficient number, since it is larger than the sum of its proper divisors (1).

228016141 is an equidigital number, since it uses as much as digits as its factorization.

228016141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 228016141 is about 15100.2033430017. The cubic root of 228016141 is about 610.9258903492.

Adding to 228016141 its reverse (141610822), we get a palindrome (369626963).

The spelling of 228016141 in words is "two hundred twenty-eight million, sixteen thousand, one hundred forty-one".