227313205 has 24 divisors (see below), whose sum is σ = 335982168. Its totient is φ = 146700288.

The previous prime is 227313193. The next prime is 227313211. The reversal of 227313205 is 502313722.

It can be written as a sum of positive squares in 4 ways, for example, as 46867716 + 180445489 = 6846^2 + 13433^2 .

It is not a de Polignac number, because 227313205 - 2⁹ = 227312693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 227313205.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 23124 + ... + 31453.

It is an arithmetic number, because the mean of its divisors is an integer number (13999257).

Almost surely, 2^227313205 is an apocalyptic number.

It is an amenable number.

227313205 is a deficient number, since it is larger than the sum of its proper divisors (108668963).

227313205 is a wasteful number, since it uses less digits than its factorization.

227313205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54613 (or 54606 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 227313205 is about 15076.9096634556. The cubic root of 227313205 is about 610.2974496659.

Adding to 227313205 its reverse (502313722), we get a palindrome (729626927).

The spelling of 227313205 in words is "two hundred twenty-seven million, three hundred thirteen thousand, two hundred five".