224111421 has 8 divisors (see below), whose sum is σ = 332016960. Its totient is φ = 149407596.

The previous prime is 224111413. The next prime is 224111467. The reversal of 224111421 is 124111422.

224111421 is a `hidden beast` number, since 2 + 241 + 1 + 1 + 421 = 666.

It is not a de Polignac number, because 224111421 - 2³ = 224111413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224111394 and 224111403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224111411) 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, 4150185 + ... + 4150238.

It is an arithmetic number, because the mean of its divisors is an integer number (41502120).

Almost surely, 2^224111421 is an apocalyptic number.

It is an amenable number.

224111421 is a deficient number, since it is larger than the sum of its proper divisors (107905539).

224111421 is an equidigital number, since it uses as much as digits as its factorization.

224111421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8300432 (or 8300426 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 224111421 is about 14970.3513986813. The cubic root of 224111421 is about 607.4184740468.

Adding to 224111421 its reverse (124111422), we get a palindrome (348222843).

Subtracting from 224111421 its reverse (124111422), we obtain a palindrome (99999999).

It can be divided in two parts, 22411 and 1421, that added together give a palindrome (23832).

The spelling of 224111421 in words is "two hundred twenty-four million, one hundred eleven thousand, four hundred twenty-one".