224872399 has 2 divisors, whose sum is σ = 224872400. Its totient is φ = 224872398.

The previous prime is 224872369. The next prime is 224872411. The reversal of 224872399 is 993278422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224872399 - 2¹¹ = 224870351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224872369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112436199 + 112436200.

It is an arithmetic number, because the mean of its divisors is an integer number (112436200).

Almost surely, 2^224872399 is an apocalyptic number.

224872399 is a deficient number, since it is larger than the sum of its proper divisors (1).

224872399 is an equidigital number, since it uses as much as digits as its factorization.

224872399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 224872399 is about 14995.7460301247. The cubic root of 224872399 is about 608.1052007699.

It can be divided in two parts, 2248 and 72399, that added together give a palindrome (74647).

The spelling of 224872399 in words is "two hundred twenty-four million, eight hundred seventy-two thousand, three hundred ninety-nine".