224340 has 24 divisors (see below), whose sum is σ = 628320. Its totient is φ = 59808.

The previous prime is 224327. The next prime is 224351. The reversal of 224340 is 43422.

It is a happy number.

224340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810 + ... + 1929.

It is an arithmetic number, because the mean of its divisors is an integer number (26180).

2²²⁴³⁴⁰ is an apocalyptic number.

224340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224340 is an abundant number, since it is smaller than the sum of its proper divisors (403980).

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

224340 is a wasteful number, since it uses less digits than its factorization.

224340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751 (or 3749 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 224340 is about 473.6454370096. The cubic root of 224340 is about 60.7624912924.

Adding to 224340 its reverse (43422), we get a palindrome (267762).

It can be divided in two parts, 2 and 24340, that added together give a palindrome (24342).

The spelling of 224340 in words is "two hundred twenty-four thousand, three hundred forty", and thus it is an iban number.