228881801 has 2 divisors, whose sum is σ = 228881802. Its totient is φ = 228881800.

The previous prime is 228881753. The next prime is 228881831. The reversal of 228881801 is 108188822.

228881801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210946576 + 17935225 = 14524^2 + 4235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228881801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228881831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114440900 + 114440901.

It is an arithmetic number, because the mean of its divisors is an integer number (114440901).

Almost surely, 2^228881801 is an apocalyptic number.

It is an amenable number.

228881801 is a deficient number, since it is larger than the sum of its proper divisors (1).

228881801 is an equidigital number, since it uses as much as digits as its factorization.

228881801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16384, while the sum is 38.

The square root of 228881801 is about 15128.8400414572. The cubic root of 228881801 is about 611.6980378086.

The spelling of 228881801 in words is "two hundred twenty-eight million, eight hundred eighty-one thousand, eight hundred one".