227244213 has 18 divisors (see below), whose sum is σ = 381832854. Its totient is φ = 129853584.

The previous prime is 227244197. The next prime is 227244217. The reversal of 227244213 is 312442722.

It can be written as a sum of positive squares in only one way, i.e., 117874449 + 109369764 = 10857^2 + 10458^2 .

It is not a de Polignac number, because 227244213 - 2⁴ = 227244197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227244217) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 257206 + ... + 258087.

Almost surely, 2^227244213 is an apocalyptic number.

It is an amenable number.

227244213 is a deficient number, since it is larger than the sum of its proper divisors (154588641).

227244213 is a wasteful number, since it uses less digits than its factorization.

227244213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515313 (or 515303 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 227244213 is about 15074.6214877854. The cubic root of 227244213 is about 610.2356994738.

Adding to 227244213 its reverse (312442722), we get a palindrome (539686935).

The spelling of 227244213 in words is "two hundred twenty-seven million, two hundred forty-four thousand, two hundred thirteen".