224456439 has 4 divisors (see below), whose sum is σ = 299275256. Its totient is φ = 149637624.

The previous prime is 224456437. The next prime is 224456483. The reversal of 224456439 is 934654422.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 224456439 - 2¹ = 224456437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224456397 and 224456406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224456437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37409404 + ... + 37409409.

It is an arithmetic number, because the mean of its divisors is an integer number (74818814).

Almost surely, 2^224456439 is an apocalyptic number.

224456439 is a deficient number, since it is larger than the sum of its proper divisors (74818817).

224456439 is an equidigital number, since it uses as much as digits as its factorization.

224456439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74818816.

The product of its digits is 207360, while the sum is 39.

The square root of 224456439 is about 14981.8703438523. The cubic root of 224456439 is about 607.7300197563.

The spelling of 224456439 in words is "two hundred twenty-four million, four hundred fifty-six thousand, four hundred thirty-nine".