224439999 has 16 divisors (see below), whose sum is σ = 342362880. Its totient is φ = 128116800.

The previous prime is 224439997. The next prime is 224440009. The reversal of 224439999 is 999934422.

It is not a de Polignac number, because 224439999 - 2¹ = 224439997 is a prime.

It is a super-2 number, since 2×224439999² = 100746626302240002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224439991) 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, 16987 + ... + 27155.

It is an arithmetic number, because the mean of its divisors is an integer number (21397680).

Almost surely, 2^224439999 is an apocalyptic number.

224439999 is a deficient number, since it is larger than the sum of its proper divisors (117922881).

224439999 is a wasteful number, since it uses less digits than its factorization.

224439999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11230.

The product of its digits is 1259712, while the sum is 51.

The square root of 224439999 is about 14981.3216706671. The cubic root of 224439999 is about 607.7151819470.

The spelling of 224439999 in words is "two hundred twenty-four million, four hundred thirty-nine thousand, nine hundred ninety-nine".