224124320421 has 12 divisors (see below), whose sum is σ = 323754219360. Its totient is φ = 149407402920.

The previous prime is 224124320393. The next prime is 224124320429. The reversal of 224124320421 is 124023421422.

It is a happy number.

224124320421 is a `hidden beast` number, since 2 + 2 + 412 + 43 + 204 + 2 + 1 = 666.

It is not a de Polignac number, because 224124320421 - 2⁷ = 224124320293 is a prime.

It is a super-2 number, since 2×224124320421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224124320429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571215 + ... + 880076.

It is an arithmetic number, because the mean of its divisors is an integer number (26979518280).

Almost surely, 2^224124320421 is an apocalyptic number.

It is an amenable number.

224124320421 is a deficient number, since it is larger than the sum of its proper divisors (99629898939).

224124320421 is a wasteful number, since it uses less digits than its factorization.

224124320421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468456 (or 1468453 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 224124320421 its reverse (124023421422), we get a palindrome (348147741843).

The spelling of 224124320421 in words is "two hundred twenty-four billion, one hundred twenty-four million, three hundred twenty thousand, four hundred twenty-one".