224279999 has 2 divisors, whose sum is σ = 224280000. Its totient is φ = 224279998.

The previous prime is 224279987. The next prime is 224280011. The reversal of 224279999 is 999972422.

It is a balanced prime because it is at equal distance from previous prime (224279987) and next prime (224280011).

It is a cyclic number.

It is not a de Polignac number, because 224279999 - 2²⁰ = 223231423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224279999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224279399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112139999 + 112140000.

It is an arithmetic number, because the mean of its divisors is an integer number (112140000).

Almost surely, 2^224279999 is an apocalyptic number.

224279999 is a deficient number, since it is larger than the sum of its proper divisors (1).

224279999 is an equidigital number, since it uses as much as digits as its factorization.

224279999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 53.

The square root of 224279999 is about 14975.9807358316. The cubic root of 224279999 is about 607.5707371892.

The spelling of 224279999 in words is "two hundred twenty-four million, two hundred seventy-nine thousand, nine hundred ninety-nine".