224020249 has 2 divisors, whose sum is σ = 224020250. Its totient is φ = 224020248.

The previous prime is 224020217. The next prime is 224020259. The reversal of 224020249 is 942020422.

It is a happy number.

224020249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122655625 + 101364624 = 11075^2 + 10068^2 .

It is a cyclic number.

It is not a de Polignac number, because 224020249 - 2⁵ = 224020217 is a prime.

It is equal to p_12331861 and since 224020249 and 12331861 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (224020259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112010124 + 112010125.

It is an arithmetic number, because the mean of its divisors is an integer number (112010125).

Almost surely, 2^224020249 is an apocalyptic number.

It is an amenable number.

224020249 is a deficient number, since it is larger than the sum of its proper divisors (1).

224020249 is an equidigital number, since it uses as much as digits as its factorization.

224020249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 224020249 is about 14967.3060034196. The cubic root of 224020249 is about 607.3360937910.

The spelling of 224020249 in words is "two hundred twenty-four million, twenty thousand, two hundred forty-nine".