229400 has 48 divisors (see below), whose sum is σ = 565440. Its totient is φ = 86400.

The previous prime is 229399. The next prime is 229403. The reversal of 229400 is 4922.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6182 + ... + 6218.

It is an arithmetic number, because the mean of its divisors is an integer number (11780).

2²²⁹⁴⁰⁰ is an apocalyptic number.

229400 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 229400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282720).

229400 is an abundant number, since it is smaller than the sum of its proper divisors (336040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229400 is a wasteful number, since it uses less digits than its factorization.

229400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 229400 is about 478.9572005931. The cubic root of 229400 is about 61.2159327421.

The spelling of 229400 in words is "two hundred twenty-nine thousand, four hundred".