224828399 has 4 divisors (see below), whose sum is σ = 232080960. Its totient is φ = 217575840.

The previous prime is 224828389. The next prime is 224828411. The reversal of 224828399 is 993828422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993828422 = 2 ⋅496914211.

It is a cyclic number.

It is not a de Polignac number, because 224828399 - 2²⁴ = 208051183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224828309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3626234 + ... + 3626295.

It is an arithmetic number, because the mean of its divisors is an integer number (58020240).

Almost surely, 2^224828399 is an apocalyptic number.

224828399 is a deficient number, since it is larger than the sum of its proper divisors (7252561).

224828399 is an equidigital number, since it uses as much as digits as its factorization.

224828399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252560.

The product of its digits is 497664, while the sum is 47.

The square root of 224828399 is about 14994.2788756245. The cubic root of 224828399 is about 608.0655362398.

The spelling of 224828399 in words is "two hundred twenty-four million, eight hundred twenty-eight thousand, three hundred ninety-nine".