224322401 has 2 divisors, whose sum is σ = 224322402. Its totient is φ = 224322400.

The previous prime is 224322391. The next prime is 224322403. The reversal of 224322401 is 104223422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173185600 + 51136801 = 13160^2 + 7151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224322401 is a prime.

Together with 224322403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224322403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112161200 + 112161201.

It is an arithmetic number, because the mean of its divisors is an integer number (112161201).

Almost surely, 2^224322401 is an apocalyptic number.

It is an amenable number.

224322401 is a deficient number, since it is larger than the sum of its proper divisors (1).

224322401 is an equidigital number, since it uses as much as digits as its factorization.

224322401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 224322401 is about 14977.3963358122. The cubic root of 224322401 is about 607.6090235443.

Adding to 224322401 its reverse (104223422), we get a palindrome (328545823).

The spelling of 224322401 in words is "two hundred twenty-four million, three hundred twenty-two thousand, four hundred one".