224321340 has 48 divisors (see below), whose sum is σ = 628766208. Its totient is φ = 59755584.

The previous prime is 224321333. The next prime is 224321371. The reversal of 224321340 is 43123422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91369 + ... + 93791.

It is an arithmetic number, because the mean of its divisors is an integer number (13099296).

Almost surely, 2^224321340 is an apocalyptic number.

224321340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224321340 is an abundant number, since it is smaller than the sum of its proper divisors (404444868).

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

224321340 is a wasteful number, since it uses less digits than its factorization.

224321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978 (or 3976 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 224321340 is about 14977.3609157288. The cubic root of 224321340 is about 607.6080655865.

Adding to 224321340 its reverse (43123422), we get a palindrome (267444762).

The spelling of 224321340 in words is "two hundred twenty-four million, three hundred twenty-one thousand, three hundred forty".