224501447 has 2 divisors, whose sum is σ = 224501448. Its totient is φ = 224501446.

The previous prime is 224501443. The next prime is 224501449. The reversal of 224501447 is 744105422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224501447 - 2² = 224501443 is a prime.

Together with 224501449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224501443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112250723 + 112250724.

It is an arithmetic number, because the mean of its divisors is an integer number (112250724).

Almost surely, 2^224501447 is an apocalyptic number.

224501447 is a deficient number, since it is larger than the sum of its proper divisors (1).

224501447 is an equidigital number, since it uses as much as digits as its factorization.

224501447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 224501447 is about 14983.3723507093. The cubic root of 224501447 is about 607.7706377114.

Adding to 224501447 its reverse (744105422), we get a palindrome (968606869).

The spelling of 224501447 in words is "two hundred twenty-four million, five hundred one thousand, four hundred forty-seven".