224104021421 has 8 divisors (see below), whose sum is σ = 256511105664. Its totient is φ = 191794993200.

The previous prime is 224104021409. The next prime is 224104021423. The reversal of 224104021421 is 124120401422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224104021421 - 2²⁶ = 224036912557 is a prime.

It is a super-2 number, since 2×224104021421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224104021423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24509105 + ... + 24518246.

It is an arithmetic number, because the mean of its divisors is an integer number (32063888208).

Almost surely, 2^224104021421 is an apocalyptic number.

It is an amenable number.

224104021421 is a deficient number, since it is larger than the sum of its proper divisors (32407084243).

224104021421 is an equidigital number, since it uses as much as digits as its factorization.

224104021421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49028011.

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

Adding to 224104021421 its reverse (124120401422), we get a palindrome (348224422843).

The spelling of 224104021421 in words is "two hundred twenty-four billion, one hundred four million, twenty-one thousand, four hundred twenty-one".