228341578201 has 9 divisors (see below), whose sum is σ = 250992801759. Its totient is φ = 207578474400.

The previous prime is 228341578193. The next prime is 228341578207. The reversal of 228341578201 is 102875143822.

The square root of 228341578201 is 477851.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 75679459801 + 152662118400 = 275099^2 + 390720^2 .

It is not a de Polignac number, because 228341578201 - 2³ = 228341578193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228341578207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5234641 + ... + 5278081.

Almost surely, 2^228341578201 is an apocalyptic number.

228341578201 is the 477851-st square number.

228341578201 is the 238926-th centered octagonal number.

It is an amenable number.

228341578201 is a deficient number, since it is larger than the sum of its proper divisors (22651223558).

228341578201 is an frugal number, since it uses more digits than its factorization.

228341578201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86904 (or 43452 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 228341578201 in words is "two hundred twenty-eight billion, three hundred forty-one million, five hundred seventy-eight thousand, two hundred one".