226930237 has 2 divisors, whose sum is σ = 226930238. Its totient is φ = 226930236.

The previous prime is 226930219. The next prime is 226930267. The reversal of 226930237 is 732039622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211673401 + 15256836 = 14549^2 + 3906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226930237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226930267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113465118 + 113465119.

It is an arithmetic number, because the mean of its divisors is an integer number (113465119).

Almost surely, 2^226930237 is an apocalyptic number.

It is an amenable number.

226930237 is a deficient number, since it is larger than the sum of its proper divisors (1).

226930237 is an equidigital number, since it uses as much as digits as its factorization.

226930237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 226930237 is about 15064.2038289450. The cubic root of 226930237 is about 609.9545222747.

Adding to 226930237 its reverse (732039622), we get a palindrome (958969859).

The spelling of 226930237 in words is "two hundred twenty-six million, nine hundred thirty thousand, two hundred thirty-seven".