224287013 has 2 divisors, whose sum is σ = 224287014. Its totient is φ = 224287012.

The previous prime is 224287009. The next prime is 224287051. The reversal of 224287013 is 310782422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220908769 + 3378244 = 14863^2 + 1838^2 .

It is a cyclic number.

It is not a de Polignac number, because 224287013 - 2² = 224287009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224287003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112143506 + 112143507.

It is an arithmetic number, because the mean of its divisors is an integer number (112143507).

Almost surely, 2^224287013 is an apocalyptic number.

It is an amenable number.

224287013 is a deficient number, since it is larger than the sum of its proper divisors (1).

224287013 is an equidigital number, since it uses as much as digits as its factorization.

224287013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 224287013 is about 14976.2149089815. The cubic root of 224287013 is about 607.5770707257.

The spelling of 224287013 in words is "two hundred twenty-four million, two hundred eighty-seven thousand, thirteen".