229842 has 18 divisors (see below), whose sum is σ = 502437.
Its totient is φ = 75936.
The previous prime is 229841. The next prime is 229847. The reversal of 229842 is 248922.
It can be written as a sum of positive squares in 2 ways, for example, as 145161 + 84681 = 381^2 + 291^2
It is a tau number, because it is divible by the number of its divisors (18).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=339.
It is not an unprimeable number, because it can be changed into a prime (229841) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1978 + ... + 2090.
2229842 is an apocalyptic number.
229842 is an abundant number, since it is smaller than the sum of its proper divisors (272595).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
229842 is a wasteful number, since it uses less digits than its factorization.
229842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234 (or 118 counting only the distinct ones).
The product of its digits is 2304, while the sum is 27.
The square root of 229842 is about 479.4183976445.
The cubic root of 229842 is about 61.2552237666.
The spelling of 229842 in words is "two hundred twenty-nine thousand, eight hundred forty-two".