226806947 has 4 divisors (see below), whose sum is σ = 227150736. Its totient is φ = 226463160.

The previous prime is 226806919. The next prime is 226806991. The reversal of 226806947 is 749608622.

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

It is a cyclic number.

It is not a de Polignac number, because 226806947 - 2¹⁰ = 226805923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226806898 and 226806907.

It is not an unprimeable number, because it can be changed into a prime (226806247) 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 in 3 ways as a sum of consecutive naturals, for example, 170903 + ... + 172224.

It is an arithmetic number, because the mean of its divisors is an integer number (56787684).

Almost surely, 2^226806947 is an apocalyptic number.

226806947 is a deficient number, since it is larger than the sum of its proper divisors (343789).

226806947 is an equidigital number, since it uses as much as digits as its factorization.

226806947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343788.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 226806947 is about 15060.1111217680. Note that the first 4 decimals coincide. The cubic root of 226806947 is about 609.8440405734.

The spelling of 226806947 in words is "two hundred twenty-six million, eight hundred six thousand, nine hundred forty-seven".