228555841 has 2 divisors, whose sum is σ = 228555842. Its totient is φ = 228555840.

The previous prime is 228555823. The next prime is 228555917. The reversal of 228555841 is 148555822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178089025 + 50466816 = 13345^2 + 7104^2 .

It is a cyclic number.

It is not a de Polignac number, because 228555841 - 2⁵ = 228555809 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 228555794 and 228555803.

It is not a weakly prime, because it can be changed into another prime (228555241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114277920 + 114277921.

It is an arithmetic number, because the mean of its divisors is an integer number (114277921).

Almost surely, 2^228555841 is an apocalyptic number.

It is an amenable number.

228555841 is a deficient number, since it is larger than the sum of its proper divisors (1).

228555841 is an equidigital number, since it uses as much as digits as its factorization.

228555841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128000, while the sum is 40.

The square root of 228555841 is about 15118.0634011106. The cubic root of 228555841 is about 611.4075183946.

The spelling of 228555841 in words is "two hundred twenty-eight million, five hundred fifty-five thousand, eight hundred forty-one".