224400247 has 2 divisors, whose sum is σ = 224400248. Its totient is φ = 224400246.

The previous prime is 224400233. The next prime is 224400269. The reversal of 224400247 is 742004422.

It is a happy number.

224400247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224400247 is a prime.

It is a super-2 number, since 2×224400247² = 100710941707322018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224400277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112200123 + 112200124.

It is an arithmetic number, because the mean of its divisors is an integer number (112200124).

Almost surely, 2^224400247 is an apocalyptic number.

224400247 is a deficient number, since it is larger than the sum of its proper divisors (1).

224400247 is an equidigital number, since it uses as much as digits as its factorization.

224400247 is an evil number, because the sum of its binary digits is even.

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

The square root of 224400247 is about 14979.9948931901. The cubic root of 224400247 is about 607.6793010577.

Adding to 224400247 its reverse (742004422), we get a palindrome (966404669).

The spelling of 224400247 in words is "two hundred twenty-four million, four hundred thousand, two hundred forty-seven".