229447 has 4 divisors (see below), whose sum is σ = 230800. Its totient is φ = 228096.

The previous prime is 229433. The next prime is 229459. The reversal of 229447 is 744922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744922 = 2 ⋅372461.

It is a cyclic number.

It is not a de Polignac number, because 229447 - 2¹¹ = 227399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378 + ... + 775.

It is an arithmetic number, because the mean of its divisors is an integer number (57700).

229447 is a Friedman number, since it can be written as 479^2+4+2, using all its digits and the basic arithmetic operations.

2²²⁹⁴⁴⁷ is an apocalyptic number.

229447 is a deficient number, since it is larger than the sum of its proper divisors (1353).

229447 is a wasteful number, since it uses less digits than its factorization.

229447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

The product of its digits is 4032, while the sum is 28.

The square root of 229447 is about 479.0062630071. The cubic root of 229447 is about 61.2201131437.

It can be divided in two parts, 229 and 447, that added together give a palindrome (676).

The spelling of 229447 in words is "two hundred twenty-nine thousand, four hundred forty-seven".