224024199809 has 2 divisors, whose sum is σ = 224024199810. Its totient is φ = 224024199808.

The previous prime is 224024199799. The next prime is 224024199851. The reversal of 224024199809 is 908991420422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136680308209 + 87343891600 = 369703^2 + 295540^2 .

It is a cyclic number.

It is not a de Polignac number, because 224024199809 - 2³⁶ = 155304723073 is a prime.

It is not a weakly prime, because it can be changed into another prime (224024199899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112012099904 + 112012099905.

It is an arithmetic number, because the mean of its divisors is an integer number (112012099905).

Almost surely, 2^224024199809 is an apocalyptic number.

It is an amenable number.

224024199809 is a deficient number, since it is larger than the sum of its proper divisors (1).

224024199809 is an equidigital number, since it uses as much as digits as its factorization.

224024199809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 224024199809 in words is "two hundred twenty-four billion, twenty-four million, one hundred ninety-nine thousand, eight hundred nine".