226801805 has 4 divisors (see below), whose sum is σ = 272162172. Its totient is φ = 181441440.

The previous prime is 226801753. The next prime is 226801831. The reversal of 226801805 is 508108622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57957769 + 168844036 = 7613^2 + 12994^2 .

It is not a de Polignac number, because 226801805 - 2¹⁴ = 226785421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 22680176 + ... + 22680185.

It is an arithmetic number, because the mean of its divisors is an integer number (68040543).

Almost surely, 2^226801805 is an apocalyptic number.

It is an amenable number.

226801805 is a deficient number, since it is larger than the sum of its proper divisors (45360367).

226801805 is an equidigital number, since it uses as much as digits as its factorization.

226801805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45360366.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 226801805 is about 15059.9404049286. The cubic root of 226801805 is about 609.8394318936.

The spelling of 226801805 in words is "two hundred twenty-six million, eight hundred one thousand, eight hundred five".