227267213 has 2 divisors, whose sum is σ = 227267214. Its totient is φ = 227267212.

The previous prime is 227267207. The next prime is 227267239. The reversal of 227267213 is 312762722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157678249 + 69588964 = 12557^2 + 8342^2 .

It is a cyclic number.

It is not a de Polignac number, because 227267213 - 2¹⁰ = 227266189 is a prime.

It is a super-2 number, since 2×227267213² = 103300772209574738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 227267213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227267263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113633606 + 113633607.

It is an arithmetic number, because the mean of its divisors is an integer number (113633607).

Almost surely, 2^227267213 is an apocalyptic number.

It is an amenable number.

227267213 is a deficient number, since it is larger than the sum of its proper divisors (1).

227267213 is an equidigital number, since it uses as much as digits as its factorization.

227267213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 227267213 is about 15075.3843400425. The cubic root of 227267213 is about 610.2562866466.

The spelling of 227267213 in words is "two hundred twenty-seven million, two hundred sixty-seven thousand, two hundred thirteen".