4224247 has 2 divisors, whose sum is σ = 4224248. Its totient is φ = 4224246.

The previous prime is 4224229. The next prime is 4224281. The reversal of 4224247 is 7424224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4224247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4224947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112123 + 2112124.

It is an arithmetic number, because the mean of its divisors is an integer number (2112124).

Almost surely, 2^4224247 is an apocalyptic number.

4224247 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224247 is an equidigital number, since it uses as much as digits as its factorization.

4224247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 25.

The square root of 4224247 is about 2055.2973020952. The cubic root of 4224247 is about 161.6527516040.

The spelling of 4224247 in words is "four million, two hundred twenty-four thousand, two hundred forty-seven".