229473 has 10 divisors (see below), whose sum is σ = 342914. Its totient is φ = 152928.

The previous prime is 229469. The next prime is 229487. The reversal of 229473 is 374922.

It can be written as a sum of positive squares in only one way, i.e., 186624 + 42849 = 432^2 + 207^2 .

It is not a de Polignac number, because 229473 - 2² = 229469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁷ + 4⁸ + 9 + 7 + 3⁴ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229403) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1336 + ... + 1497.

229473 is a Friedman number, since it can be written as 479^2+32, using all its digits and the basic arithmetic operations.

2²²⁹⁴⁷³ is an apocalyptic number.

It is an amenable number.

229473 is a deficient number, since it is larger than the sum of its proper divisors (113441).

229473 is an equidigital number, since it uses as much as digits as its factorization.

229473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845 (or 2836 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 229473 is about 479.0334017582. The cubic root of 229473 is about 61.2224254610. Note that the first 3 decimals are identical.

The spelling of 229473 in words is "two hundred twenty-nine thousand, four hundred seventy-three".