224120439 has 40 divisors (see below), whose sum is σ = 351354960. Its totient is φ = 142176384.

The previous prime is 224120419. The next prime is 224120443. The reversal of 224120439 is 934021422.

224120439 is a `hidden beast` number, since 224 + 1 + 2 + 0 + 439 = 666.

It is not a de Polignac number, because 224120439 - 2⁷ = 224120311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224120419) 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 39 ways as a sum of consecutive naturals, for example, 170824 + ... + 172130.

It is an arithmetic number, because the mean of its divisors is an integer number (8783874).

Almost surely, 2^224120439 is an apocalyptic number.

224120439 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

224120439 is a deficient number, since it is larger than the sum of its proper divisors (127234521).

224120439 is a wasteful number, since it uses less digits than its factorization.

224120439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 224120439 is about 14970.6525909861. The cubic root of 224120439 is about 607.4266212240.

The spelling of 224120439 in words is "two hundred twenty-four million, one hundred twenty thousand, four hundred thirty-nine".