229901 has 4 divisors (see below), whose sum is σ = 262752. Its totient is φ = 197052.

The previous prime is 229897. The next prime is 229903. The reversal of 229901 is 109922.

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.

It is a cyclic number.

It is not a de Polignac number, because 229901 - 2² = 229897 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229903) 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, 16415 + ... + 16428.

It is an arithmetic number, because the mean of its divisors is an integer number (65688).

2²²⁹⁹⁰¹ is an apocalyptic number.

It is an amenable number.

229901 is a deficient number, since it is larger than the sum of its proper divisors (32851).

229901 is an equidigital number, since it uses as much as digits as its factorization.

229901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32850.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 229901 is about 479.4799265871. The cubic root of 229901 is about 61.2604646843.

The spelling of 229901 in words is "two hundred twenty-nine thousand, nine hundred one".