229973 has 4 divisors (see below), whose sum is σ = 231648. Its totient is φ = 228300.

The previous prime is 229963. The next prime is 229979. The reversal of 229973 is 379922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 379922 = 2 ⋅189961.

It is a cyclic number.

It is not a de Polignac number, because 229973 - 2⁸ = 229717 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611 + ... + 912.

It is an arithmetic number, because the mean of its divisors is an integer number (57912).

2²²⁹⁹⁷³ is an apocalyptic number.

It is an amenable number.

229973 is a deficient number, since it is larger than the sum of its proper divisors (1675).

229973 is a wasteful number, since it uses less digits than its factorization.

229973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its digits is 6804, while the sum is 32.

The square root of 229973 is about 479.5550020592. Note that the first 3 decimals coincide. The cubic root of 229973 is about 61.2668591658.

The spelling of 229973 in words is "two hundred twenty-nine thousand, nine hundred seventy-three".