224424451 has 2 divisors, whose sum is σ = 224424452. Its totient is φ = 224424450.

The previous prime is 224424401. The next prime is 224424461. The reversal of 224424451 is 154424422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224424451 - 2¹¹ = 224422403 is a prime.

It is not a weakly prime, because it can be changed into another prime (224424401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112212225 + 112212226.

It is an arithmetic number, because the mean of its divisors is an integer number (112212226).

Almost surely, 2^224424451 is an apocalyptic number.

224424451 is a deficient number, since it is larger than the sum of its proper divisors (1).

224424451 is an equidigital number, since it uses as much as digits as its factorization.

224424451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10240, while the sum is 28.

The square root of 224424451 is about 14980.8027488516. The cubic root of 224424451 is about 607.7011485396.

Adding to 224424451 its reverse (154424422), we get a palindrome (378848873).

The spelling of 224424451 in words is "two hundred twenty-four million, four hundred twenty-four thousand, four hundred fifty-one".