226447 has 4 divisors (see below), whose sum is σ = 243880. Its totient is φ = 209016.

The previous prime is 226433. The next prime is 226451. The reversal of 226447 is 744622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744622 = 2 ⋅372311.

It is a cyclic number.

It is not a de Polignac number, because 226447 - 2¹⁵ = 193679 is a prime.

It is a magnanimous number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226427) 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 in 3 ways as a sum of consecutive naturals, for example, 8697 + ... + 8722.

It is an arithmetic number, because the mean of its divisors is an integer number (60970).

2²²⁶⁴⁴⁷ is an apocalyptic number.

226447 is a deficient number, since it is larger than the sum of its proper divisors (17433).

226447 is a wasteful number, since it uses less digits than its factorization.

226447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17432.

The product of its digits is 2688, while the sum is 25.

The square root of 226447 is about 475.8644765057. The cubic root of 226447 is about 60.9521258340.

The spelling of 226447 in words is "two hundred twenty-six thousand, four hundred forty-seven".