229800 has 48 divisors (see below), whose sum is σ = 714240. Its totient is φ = 61120.
The previous prime is 229799. The next prime is 229813. The reversal of 229800 is 8922.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 409 + ... + 791.
It is an arithmetic number, because the mean of its divisors is an integer number (14880).
2229800 is an apocalyptic number.
229800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 229800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357120).
229800 is an abundant number, since it is smaller than the sum of its proper divisors (484440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
229800 is a wasteful number, since it uses less digits than its factorization.
229800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 402 (or 393 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 229800 is about 479.3745925683. The cubic root of 229800 is about 61.2514923973.
The spelling of 229800 in words is "two hundred twenty-nine thousand, eight hundred".
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