228601 has 2 divisors, whose sum is σ = 228602. Its totient is φ = 228600.

The previous prime is 228593. The next prime is 228611. The reversal of 228601 is 106822.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226576 + 2025 = 476^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 228601 - 2³ = 228593 is a prime.

It is a magnanimous number.

228601 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (228611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114300 + 114301.

It is an arithmetic number, because the mean of its divisors is an integer number (114301).

2²²⁸⁶⁰¹ is an apocalyptic number.

It is an amenable number.

228601 is a deficient number, since it is larger than the sum of its proper divisors (1).

228601 is an equidigital number, since it uses as much as digits as its factorization.

228601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 228601 is about 478.1223692738. The cubic root of 228601 is about 61.1447783877.

The spelling of 228601 in words is "two hundred twenty-eight thousand, six hundred one".