224330240 has 40 divisors (see below), whose sum is σ = 537872940. Its totient is φ = 89731072.

The previous prime is 224330237. The next prime is 224330243. The reversal of 224330240 is 42033422.

It is an interprime number because it is at equal distance from previous prime (224330237) and next prime (224330243).

It can be written as a sum of positive squares in 2 ways, for example, as 194212096 + 30118144 = 13936^2 + 5488^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (224330243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41255 + ... + 46374.

Almost surely, 2^224330240 is an apocalyptic number.

224330240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224330240 is an abundant number, since it is smaller than the sum of its proper divisors (313542700).

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

224330240 is an frugal number, since it uses more digits than its factorization.

224330240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87652 (or 87636 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 224330240 is about 14977.6580278761. The cubic root of 224330240 is about 607.6161011427.

Adding to 224330240 its reverse (42033422), we get a palindrome (266363662).

The spelling of 224330240 in words is "two hundred twenty-four million, three hundred thirty thousand, two hundred forty".