224024420421 has 48 divisors (see below), whose sum is σ = 335807664192. Its totient is φ = 143834745600.

The previous prime is 224024420413. The next prime is 224024420447. The reversal of 224024420421 is 124024420422.

It is not a de Polignac number, because 224024420421 - 2³ = 224024420413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224024420461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7331986 + ... + 7362476.

It is an arithmetic number, because the mean of its divisors is an integer number (6995993004).

Almost surely, 2^224024420421 is an apocalyptic number.

It is an amenable number.

224024420421 is a deficient number, since it is larger than the sum of its proper divisors (111783243771).

224024420421 is a wasteful number, since it uses less digits than its factorization.

224024420421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30834 (or 30831 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 224024420421 its reverse (124024420422), we get a palindrome (348048840843).

Subtracting from 224024420421 its reverse (124024420422), we obtain a palindrome (99999999999).

The spelling of 224024420421 in words is "two hundred twenty-four billion, twenty-four million, four hundred twenty thousand, four hundred twenty-one".