224505889 has 2 divisors, whose sum is σ = 224505890. Its totient is φ = 224505888.

The previous prime is 224505871. The next prime is 224505923. The reversal of 224505889 is 988505422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197121600 + 27384289 = 14040^2 + 5233^2 .

It is a cyclic number.

It is not a de Polignac number, because 224505889 - 2⁹ = 224505377 is a prime.

It is not a weakly prime, because it can be changed into another prime (224505839) 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, 112252944 + 112252945.

It is an arithmetic number, because the mean of its divisors is an integer number (112252945).

Almost surely, 2^224505889 is an apocalyptic number.

It is an amenable number.

224505889 is a deficient number, since it is larger than the sum of its proper divisors (1).

224505889 is an equidigital number, since it uses as much as digits as its factorization.

224505889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 224505889 is about 14983.5205809583. The cubic root of 224505889 is about 607.7746461478.

The spelling of 224505889 in words is "two hundred twenty-four million, five hundred five thousand, eight hundred eighty-nine".