40133225 has 24 divisors (see below), whose sum is σ = 57154080. Its totient is φ = 27648000.

The previous prime is 40133167. The next prime is 40133227. The reversal of 40133225 is 52233104.

It is a happy number.

It is not a de Polignac number, because 40133225 - 2¹⁴ = 40116841 is a prime.

It is a super-2 number, since 2×40133225² = 3221351497801250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40133197 and 40133206.

It is not an unprimeable number, because it can be changed into a prime (40133227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1385 + ... + 9065.

It is an arithmetic number, because the mean of its divisors is an integer number (2381420).

Almost surely, 2^40133225 is an apocalyptic number.

It is an amenable number.

40133225 is a deficient number, since it is larger than the sum of its proper divisors (17020855).

40133225 is a wasteful number, since it uses less digits than its factorization.

40133225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7721 (or 7716 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40133225 is about 6335.0789261066. The cubic root of 40133225 is about 342.3744544923.

Adding to 40133225 its reverse (52233104), we get a palindrome (92366329).

The spelling of 40133225 in words is "forty million, one hundred thirty-three thousand, two hundred twenty-five".