224225405 has 8 divisors (see below), whose sum is σ = 270480384. Its totient is φ = 178440400.

The previous prime is 224225401. The next prime is 224225423. The reversal of 224225405 is 504522422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 224225405 - 2² = 224225401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224225401) 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 7 ways as a sum of consecutive naturals, for example, 116441 + ... + 118350.

It is an arithmetic number, because the mean of its divisors is an integer number (33810048).

Almost surely, 2^224225405 is an apocalyptic number.

It is an amenable number.

224225405 is a deficient number, since it is larger than the sum of its proper divisors (46254979).

224225405 is a wasteful number, since it uses less digits than its factorization.

224225405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234987.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 224225405 is about 14974.1579062063. The cubic root of 224225405 is about 607.5214351133.

Adding to 224225405 its reverse (504522422), we get a palindrome (728747827).

The spelling of 224225405 in words is "two hundred twenty-four million, two hundred twenty-five thousand, four hundred five".