224677889 has 2 divisors, whose sum is σ = 224677890. Its totient is φ = 224677888.

The previous prime is 224677879. The next prime is 224677897. The reversal of 224677889 is 988776422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191130625 + 33547264 = 13825^2 + 5792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224677889 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 224677889.

It is not a weakly prime, because it can be changed into another prime (224677879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112338944 + 112338945.

It is an arithmetic number, because the mean of its divisors is an integer number (112338945).

Almost surely, 2^224677889 is an apocalyptic number.

It is an amenable number.

224677889 is a deficient number, since it is larger than the sum of its proper divisors (1).

224677889 is an equidigital number, since it uses as much as digits as its factorization.

224677889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 53.

The square root of 224677889 is about 14989.2591211174. The cubic root of 224677889 is about 607.9298173621.

The spelling of 224677889 in words is "two hundred twenty-four million, six hundred seventy-seven thousand, eight hundred eighty-nine".