224430121 has 4 divisors (see below), whose sum is σ = 224460112. Its totient is φ = 224400132.

The previous prime is 224430119. The next prime is 224430139. The reversal of 224430121 is 121034422.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 224430121 - 2¹ = 224430119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224430191) 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, 6526 + ... + 22168.

It is an arithmetic number, because the mean of its divisors is an integer number (56115028).

Almost surely, 2^224430121 is an apocalyptic number.

It is an amenable number.

224430121 is a deficient number, since it is larger than the sum of its proper divisors (29991).

224430121 is a wasteful number, since it uses less digits than its factorization.

224430121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29990.

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

The square root of 224430121 is about 14980.9919898517. The cubic root of 224430121 is about 607.7062662774.

Adding to 224430121 its reverse (121034422), we get a palindrome (345464543).

The spelling of 224430121 in words is "two hundred twenty-four million, four hundred thirty thousand, one hundred twenty-one".