224531340 has 96 divisors (see below), whose sum is σ = 709551360. Its totient is φ = 52550400.

The previous prime is 224531317. The next prime is 224531347. The reversal of 224531340 is 43135422.

It is a self number, because there is not a number n which added to its sum of digits gives 224531340.

It is not an unprimeable number, because it can be changed into a prime (224531347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13275 + ... + 25005.

It is an arithmetic number, because the mean of its divisors is an integer number (7391160).

Almost surely, 2^224531340 is an apocalyptic number.

224531340 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 224531340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354775680).

224531340 is an abundant number, since it is smaller than the sum of its proper divisors (485020020).

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

224531340 is a wasteful number, since it uses less digits than its factorization.

224531340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11783 (or 11781 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 224531340 is about 14984.3698566206. The cubic root of 224531340 is about 607.7976119716.

Adding to 224531340 its reverse (43135422), we get a palindrome (267666762).

The spelling of 224531340 in words is "two hundred twenty-four million, five hundred thirty-one thousand, three hundred forty".