224417009 has 2 divisors, whose sum is σ = 224417010. Its totient is φ = 224417008.

The previous prime is 224416921. The next prime is 224417021. The reversal of 224417009 is 900714422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221920609 + 2496400 = 14897^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 224417009 - 2¹² = 224412913 is a prime.

It is not a weakly prime, because it can be changed into another prime (224417059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112208504 + 112208505.

It is an arithmetic number, because the mean of its divisors is an integer number (112208505).

Almost surely, 2^224417009 is an apocalyptic number.

It is an amenable number.

224417009 is a deficient number, since it is larger than the sum of its proper divisors (1).

224417009 is an equidigital number, since it uses as much as digits as its factorization.

224417009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 224417009 is about 14980.5543622391. The cubic root of 224417009 is about 607.6944312651.

The spelling of 224417009 in words is "two hundred twenty-four million, four hundred seventeen thousand, nine".