226903609 has 2 divisors, whose sum is σ = 226903610. Its totient is φ = 226903608.

The previous prime is 226903603. The next prime is 226903619. The reversal of 226903609 is 906309622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218951209 + 7952400 = 14797^2 + 2820^2 .

It is a cyclic number.

It is not a de Polignac number, because 226903609 - 2¹¹ = 226901561 is a prime.

It is equal to p_12481795 and since 226903609 and 12481795 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (226903603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113451804 + 113451805.

It is an arithmetic number, because the mean of its divisors is an integer number (113451805).

Almost surely, 2^226903609 is an apocalyptic number.

It is an amenable number.

226903609 is a deficient number, since it is larger than the sum of its proper divisors (1).

226903609 is an equidigital number, since it uses as much as digits as its factorization.

226903609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 226903609 is about 15063.3199859792. The cubic root of 226903609 is about 609.9306639816.

The spelling of 226903609 in words is "two hundred twenty-six million, nine hundred three thousand, six hundred nine".