224243224240 has 80 divisors (see below), whose sum is σ = 627206641920. Its totient is φ = 72836893440.

The previous prime is 224243224213. The next prime is 224243224267. The reversal of 224243224240 is 42422342422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (224243224213) and next prime (224243224267).

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10527106 + ... + 10548385.

It is an arithmetic number, because the mean of its divisors is an integer number (7840083024).

Almost surely, 2^224243224240 is an apocalyptic number.

224243224240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224243224240 is an abundant number, since it is smaller than the sum of its proper divisors (402963417680).

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

224243224240 is a wasteful number, since it uses less digits than its factorization.

224243224240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21075530 (or 21075524 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 224243224240 its reverse (42422342422), we get a palindrome (266665566662).

The spelling of 224243224240 in words is "two hundred twenty-four billion, two hundred forty-three million, two hundred twenty-four thousand, two hundred forty".