226518601 has 2 divisors, whose sum is σ = 226518602. Its totient is φ = 226518600.

The previous prime is 226518599. The next prime is 226518653. The reversal of 226518601 is 106815622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188375625 + 38142976 = 13725^2 + 6176^2 .

It is a cyclic number.

It is not a de Polignac number, because 226518601 - 2¹ = 226518599 is a prime.

Together with 226518599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (226518701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113259300 + 113259301.

It is an arithmetic number, because the mean of its divisors is an integer number (113259301).

Almost surely, 2^226518601 is an apocalyptic number.

It is an amenable number.

226518601 is a deficient number, since it is larger than the sum of its proper divisors (1).

226518601 is an equidigital number, since it uses as much as digits as its factorization.

226518601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 226518601 is about 15050.5349074377. The cubic root of 226518601 is about 609.5854937283.

The spelling of 226518601 in words is "two hundred twenty-six million, five hundred eighteen thousand, six hundred one".