224221140140 has 24 divisors (see below), whose sum is σ = 472398167472. Its totient is φ = 89396308800.

The previous prime is 224221140133. The next prime is 224221140149. The reversal of 224221140140 is 41041122422.

It is not an unprimeable number, because it can be changed into a prime (224221140149) 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, 18252911 + ... + 18265190.

It is an arithmetic number, because the mean of its divisors is an integer number (19683256978).

Almost surely, 2^224221140140 is an apocalyptic number.

224221140140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224221140140 is an abundant number, since it is smaller than the sum of its proper divisors (248177027332).

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

224221140140 is a wasteful number, since it uses less digits than its factorization.

224221140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36518417 (or 36518415 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 224221140140 its reverse (41041122422), we get a palindrome (265262262562).

The spelling of 224221140140 in words is "two hundred twenty-four billion, two hundred twenty-one million, one hundred forty thousand, one hundred forty".