228088841 has 2 divisors, whose sum is σ = 228088842. Its totient is φ = 228088840.

The previous prime is 228088823. The next prime is 228088843. The reversal of 228088841 is 148880822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120012025 + 108076816 = 10955^2 + 10396^2 .

It is a cyclic number.

It is not a de Polignac number, because 228088841 - 2¹⁰ = 228087817 is a prime.

Together with 228088843, 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 (228088843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114044420 + 114044421.

It is an arithmetic number, because the mean of its divisors is an integer number (114044421).

Almost surely, 2^228088841 is an apocalyptic number.

It is an amenable number.

228088841 is a deficient number, since it is larger than the sum of its proper divisors (1).

228088841 is an equidigital number, since it uses as much as digits as its factorization.

228088841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65536, while the sum is 41.

The square root of 228088841 is about 15102.6104035031. The cubic root of 228088841 is about 610.9908120583.

The spelling of 228088841 in words is "two hundred twenty-eight million, eighty-eight thousand, eight hundred forty-one".