227013209 has 2 divisors, whose sum is σ = 227013210. Its totient is φ = 227013208.

The previous prime is 227013203. The next prime is 227013221. The reversal of 227013209 is 902310722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172843609 + 54169600 = 13147^2 + 7360^2 .

It is a cyclic number.

It is not a de Polignac number, because 227013209 - 2¹² = 227009113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227013203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113506604 + 113506605.

It is an arithmetic number, because the mean of its divisors is an integer number (113506605).

Almost surely, 2^227013209 is an apocalyptic number.

It is an amenable number.

227013209 is a deficient number, since it is larger than the sum of its proper divisors (1).

227013209 is an equidigital number, since it uses as much as digits as its factorization.

227013209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 227013209 is about 15066.9575230038. The cubic root of 227013209 is about 610.0288519902.

The spelling of 227013209 in words is "two hundred twenty-seven million, thirteen thousand, two hundred nine".