224440609 has 2 divisors, whose sum is σ = 224440610. Its totient is φ = 224440608.

The previous prime is 224440591. The next prime is 224440621. The reversal of 224440609 is 906044422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165688384 + 58752225 = 12872^2 + 7665^2 .

It is a cyclic number.

It is not a de Polignac number, because 224440609 - 2¹⁷ = 224309537 is a prime.

It is not a weakly prime, because it can be changed into another prime (224440679) 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, 112220304 + 112220305.

It is an arithmetic number, because the mean of its divisors is an integer number (112220305).

Almost surely, 2^224440609 is an apocalyptic number.

It is an amenable number.

224440609 is a deficient number, since it is larger than the sum of its proper divisors (1).

224440609 is an equidigital number, since it uses as much as digits as its factorization.

224440609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 224440609 is about 14981.3420293377. The cubic root of 224440609 is about 607.7157325113.

The spelling of 224440609 in words is "two hundred twenty-four million, four hundred forty thousand, six hundred nine".