224819689 has 2 divisors, whose sum is σ = 224819690. Its totient is φ = 224819688.

The previous prime is 224819671. The next prime is 224819737. The reversal of 224819689 is 986918422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182790400 + 42029289 = 13520^2 + 6483^2 .

It is a cyclic number.

It is not a de Polignac number, because 224819689 - 2²⁷ = 90601961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224810689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112409844 + 112409845.

It is an arithmetic number, because the mean of its divisors is an integer number (112409845).

Almost surely, 2^224819689 is an apocalyptic number.

It is an amenable number.

224819689 is a deficient number, since it is larger than the sum of its proper divisors (1).

224819689 is an equidigital number, since it uses as much as digits as its factorization.

224819689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 49.

The square root of 224819689 is about 14993.9884287004. The cubic root of 224819689 is about 608.0576838522.

The spelling of 224819689 in words is "two hundred twenty-four million, eight hundred nineteen thousand, six hundred eighty-nine".