40224225 has 12 divisors (see below), whose sum is σ = 66504176. Its totient is φ = 21452880.

The previous prime is 40224211. The next prime is 40224229. The reversal of 40224225 is 52242204.

40224225 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 40224225 - 2⁴ = 40224209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40224229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268087 + ... + 268236.

Almost surely, 2^40224225 is an apocalyptic number.

It is an amenable number.

40224225 is a deficient number, since it is larger than the sum of its proper divisors (26279951).

40224225 is a wasteful number, since it uses less digits than its factorization.

40224225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536336 (or 536331 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 40224225 is about 6342.2570903425. The cubic root of 40224225 is about 342.6330312427.

Adding to 40224225 its reverse (52242204), we get a palindrome (92466429).

The spelling of 40224225 in words is "forty million, two hundred twenty-four thousand, two hundred twenty-five".