224310421 has 4 divisors (see below), whose sum is σ = 234063072. Its totient is φ = 214557772.

The previous prime is 224310419. The next prime is 224310433. The reversal of 224310421 is 124013422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 224310421 - 2¹ = 224310419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224310521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4876291 + ... + 4876336.

It is an arithmetic number, because the mean of its divisors is an integer number (58515768).

Almost surely, 2^224310421 is an apocalyptic number.

It is an amenable number.

224310421 is a deficient number, since it is larger than the sum of its proper divisors (9752651).

224310421 is an equidigital number, since it uses as much as digits as its factorization.

224310421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9752650.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 224310421 is about 14976.9963944711. The cubic root of 224310421 is about 607.5982068423.

Adding to 224310421 its reverse (124013422), we get a palindrome (348323843).

The spelling of 224310421 in words is "two hundred twenty-four million, three hundred ten thousand, four hundred twenty-one".