224212431220 has 24 divisors (see below), whose sum is σ = 480864109824. Its totient is φ = 87776781216.

The previous prime is 224212431167. The next prime is 224212431221. The reversal of 224212431220 is 22134212422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224212431221) 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, 119260992 + ... + 119262871.

It is an arithmetic number, because the mean of its divisors is an integer number (20036004576).

Almost surely, 2^224212431220 is an apocalyptic number.

224212431220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224212431220 is an abundant number, since it is smaller than the sum of its proper divisors (256651678604).

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

224212431220 is a wasteful number, since it uses less digits than its factorization.

224212431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238523919 (or 238523917 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 224212431220 its reverse (22134212422), we get a palindrome (246346643642).

The spelling of 224212431220 in words is "two hundred twenty-four billion, two hundred twelve million, four hundred thirty-one thousand, two hundred twenty".