228501601 has 2 divisors, whose sum is σ = 228501602. Its totient is φ = 228501600.

The previous prime is 228501599. The next prime is 228501649. The reversal of 228501601 is 106105822.

228501601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198810000 + 29691601 = 14100^2 + 5449^2 .

It is a cyclic number.

It is not a de Polignac number, because 228501601 - 2¹ = 228501599 is a prime.

Together with 228501599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (228501901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114250800 + 114250801.

It is an arithmetic number, because the mean of its divisors is an integer number (114250801).

Almost surely, 2^228501601 is an apocalyptic number.

It is an amenable number.

228501601 is a deficient number, since it is larger than the sum of its proper divisors (1).

228501601 is an equidigital number, since it uses as much as digits as its factorization.

228501601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 228501601 is about 15116.2694141114. The cubic root of 228501601 is about 611.3591489351.

The spelling of 228501601 in words is "two hundred twenty-eight million, five hundred one thousand, six hundred one".