224425421130520 has 32 divisors (see below), whose sum is σ = 504958146351120. Its totient is φ = 89769999775360.

The previous prime is 224425421130509. The next prime is 224425421130577. The reversal of 224425421130520 is 25031124524422.

It is a happy number.

It is a super-2 number, since 2×224425421130520² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 224425421130520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17497179 + ... + 27477301.

Almost surely, 2^{224425421130520} is an apocalyptic number.

224425421130520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224425421130520 is an abundant number, since it is smaller than the sum of its proper divisors (280532725220600).

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

224425421130520 is a wasteful number, since it uses less digits than its factorization.

224425421130520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10542315 (or 10542311 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 224425421130520 its reverse (25031124524422), we get a palindrome (249456545654942).

The spelling of 224425421130520 in words is "two hundred twenty-four trillion, four hundred twenty-five billion, four hundred twenty-one million, one hundred thirty thousand, five hundred twenty".