226918037 has 2 divisors, whose sum is σ = 226918038. Its totient is φ = 226918036.

The previous prime is 226918031. The next prime is 226918039. The reversal of 226918037 is 730819622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224580196 + 2337841 = 14986^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 226918037 - 2¹⁸ = 226655893 is a prime.

Together with 226918039, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226918031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113459018 + 113459019.

It is an arithmetic number, because the mean of its divisors is an integer number (113459019).

Almost surely, 2^226918037 is an apocalyptic number.

It is an amenable number.

226918037 is a deficient number, since it is larger than the sum of its proper divisors (1).

226918037 is an equidigital number, since it uses as much as digits as its factorization.

226918037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 226918037 is about 15063.7988900543. The cubic root of 226918037 is about 609.9435914873.

The spelling of 226918037 in words is "two hundred twenty-six million, nine hundred eighteen thousand, thirty-seven".