229072 has 20 divisors (see below), whose sum is σ = 451360. Its totient is φ = 112608.

The previous prime is 229037. The next prime is 229081. The reversal of 229072 is 270922.

229072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

229072 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1579 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (22568).

2²²⁹⁰⁷² is an apocalyptic number.

It is an amenable number.

229072 is a deficient number, since it is larger than the sum of its proper divisors (222288).

229072 is a wasteful number, since it uses less digits than its factorization.

229072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 229072 is about 478.6146675563. The cubic root of 229072 is about 61.1867429670.

Adding to 229072 its reverse (270922), we get a palindrome (499994).

The spelling of 229072 in words is "two hundred twenty-nine thousand, seventy-two".