224818889 has 2 divisors, whose sum is σ = 224818890. Its totient is φ = 224818888.

The previous prime is 224818883. The next prime is 224818901. The reversal of 224818889 is 988818422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138180025 + 86638864 = 11755^2 + 9308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224818889 is a prime.

It is not a weakly prime, because it can be changed into another prime (224818883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112409444 + 112409445.

It is an arithmetic number, because the mean of its divisors is an integer number (112409445).

Almost surely, 2^224818889 is an apocalyptic number.

It is an amenable number.

224818889 is a deficient number, since it is larger than the sum of its proper divisors (1).

224818889 is an equidigital number, since it uses as much as digits as its factorization.

224818889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 50.

The square root of 224818889 is about 14993.9617513184. The cubic root of 224818889 is about 608.0569626124.

The spelling of 224818889 in words is "two hundred twenty-four million, eight hundred eighteen thousand, eight hundred eighty-nine".