224415225 has 24 divisors (see below), whose sum is σ = 412260320. Its totient is φ = 119687760.

The previous prime is 224415199. The next prime is 224415229. The reversal of 224415225 is 522514422.

224415225 is a `hidden beast` number, since 2 + 24 + 415 + 225 = 666.

It is not a de Polignac number, because 224415225 - 2⁵ = 224415193 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (224415229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165559 + ... + 166908.

Almost surely, 2^224415225 is an apocalyptic number.

224415225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224415225 is a deficient number, since it is larger than the sum of its proper divisors (187845095).

224415225 is a wasteful number, since it uses less digits than its factorization.

224415225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332486 (or 332475 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 224415225 is about 14980.4948182628. The cubic root of 224415225 is about 607.6928209746.

Adding to 224415225 its reverse (522514422), we get a palindrome (746929647).

The spelling of 224415225 in words is "two hundred twenty-four million, four hundred fifteen thousand, two hundred twenty-five".