226901903 has 2 divisors, whose sum is σ = 226901904. Its totient is φ = 226901902.

The previous prime is 226901897. The next prime is 226901929. The reversal of 226901903 is 309109622.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226901903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226901903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226901963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113450951 + 113450952.

It is an arithmetic number, because the mean of its divisors is an integer number (113450952).

Almost surely, 2^226901903 is an apocalyptic number.

226901903 is a deficient number, since it is larger than the sum of its proper divisors (1).

226901903 is an equidigital number, since it uses as much as digits as its factorization.

226901903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 226901903 is about 15063.2633582501. The cubic root of 226901903 is about 609.9291353673.

The spelling of 226901903 in words is "two hundred twenty-six million, nine hundred one thousand, nine hundred three".