224300021489 has 2 divisors, whose sum is σ = 224300021490. Its totient is φ = 224300021488.

The previous prime is 224300021443. The next prime is 224300021497. The reversal of 224300021489 is 984120003422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177830890000 + 46469131489 = 421700^2 + 215567^2 .

It is a cyclic number.

It is not a de Polignac number, because 224300021489 - 2⁸ = 224300021233 is a prime.

It is not a weakly prime, because it can be changed into another prime (224300020489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112150010744 + 112150010745.

It is an arithmetic number, because the mean of its divisors is an integer number (112150010745).

Almost surely, 2^224300021489 is an apocalyptic number.

It is an amenable number.

224300021489 is a deficient number, since it is larger than the sum of its proper divisors (1).

224300021489 is an equidigital number, since it uses as much as digits as its factorization.

224300021489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 224300021489 in words is "two hundred twenty-four billion, three hundred million, twenty-one thousand, four hundred eighty-nine".