224424405 has 16 divisors (see below), whose sum is σ = 398976960. Its totient is φ = 119692944.

The previous prime is 224424401. The next prime is 224424451. The reversal of 224424405 is 504424422.

224424405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 224424405 - 2² = 224424401 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 (224424401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831067 + ... + 831336.

It is an arithmetic number, because the mean of its divisors is an integer number (24936060).

Almost surely, 2^224424405 is an apocalyptic number.

It is an amenable number.

224424405 is a deficient number, since it is larger than the sum of its proper divisors (174552555).

224424405 is a wasteful number, since it uses less digits than its factorization.

224424405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662417 (or 1662411 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 224424405 is about 14980.8012135533. The cubic root of 224424405 is about 607.7011070197.

Adding to 224424405 its reverse (504424422), we get a palindrome (728848827).

The spelling of 224424405 in words is "two hundred twenty-four million, four hundred twenty-four thousand, four hundred five".