224244139 has 16 divisors (see below), whose sum is σ = 264139200. Its totient is φ = 190276800.

The previous prime is 224244091. The next prime is 224244169. The reversal of 224244139 is 931442422.

It is not a de Polignac number, because 224244139 - 2¹¹ = 224242091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224244139.

It is not an unprimeable number, because it can be changed into a prime (224244169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31407 + ... + 37879.

It is an arithmetic number, because the mean of its divisors is an integer number (16508700).

Almost surely, 2^224244139 is an apocalyptic number.

224244139 is a deficient number, since it is larger than the sum of its proper divisors (39895061).

224244139 is an equidigital number, since it uses as much as digits as its factorization.

224244139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6595 (or 6581 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 224244139 is about 14974.7834374992. The cubic root of 224244139 is about 607.5383540847.

The spelling of 224244139 in words is "two hundred twenty-four million, two hundred forty-four thousand, one hundred thirty-nine".