224504243421 has 8 divisors (see below), whose sum is σ = 302702351040. Its totient is φ = 147987815712.

The previous prime is 224504243389. The next prime is 224504243423. The reversal of 224504243421 is 124342405422.

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

It is not a de Polignac number, because 224504243421 - 2⁵ = 224504243389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224504243423) 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, 420419665 + ... + 420420198.

It is an arithmetic number, because the mean of its divisors is an integer number (37837793880).

Almost surely, 2^224504243421 is an apocalyptic number.

It is an amenable number.

224504243421 is a deficient number, since it is larger than the sum of its proper divisors (78198107619).

224504243421 is an equidigital number, since it uses as much as digits as its factorization.

224504243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840839955.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 224504243421 its reverse (124342405422), we get a palindrome (348846648843).

The spelling of 224504243421 in words is "two hundred twenty-four billion, five hundred four million, two hundred forty-three thousand, four hundred twenty-one".