224102344240 has 40 divisors (see below), whose sum is σ = 521177187168. Its totient is φ = 89616983040.

The previous prime is 224102344217. The next prime is 224102344243. The reversal of 224102344240 is 42443201422.

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

It is a super-2 number, since 2×224102344240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224102344199 and 224102344208.

It is not an unprimeable number, because it can be changed into a prime (224102344243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71532 + ... + 673291.

Almost surely, 2^224102344240 is an apocalyptic number.

224102344240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224102344240 is an abundant number, since it is smaller than the sum of its proper divisors (297074842928).

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

224102344240 is a wasteful number, since it uses less digits than its factorization.

224102344240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748597 (or 748591 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 224102344240 its reverse (42443201422), we get a palindrome (266545545662).

The spelling of 224102344240 in words is "two hundred twenty-four billion, one hundred two million, three hundred forty-four thousand, two hundred forty".