40532225 has 12 divisors (see below), whose sum is σ = 52905840. Its totient is φ = 30718800.

The previous prime is 40532213. The next prime is 40532269. The reversal of 40532225 is 52223504.

It is not a de Polignac number, because 40532225 - 2⁸ = 40531969 is a prime.

It is a super-2 number, since 2×40532225² = 3285722526901250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40532225.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 42191 + ... + 43140.

It is an arithmetic number, because the mean of its divisors is an integer number (4408820).

Almost surely, 2^40532225 is an apocalyptic number.

It is an amenable number.

40532225 is a deficient number, since it is larger than the sum of its proper divisors (12373615).

40532225 is a wasteful number, since it uses less digits than its factorization.

40532225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85360 (or 85355 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40532225 is about 6366.4923623609. The cubic root of 40532225 is about 343.5053311290.

Adding to 40532225 its reverse (52223504), we get a palindrome (92755729).

The spelling of 40532225 in words is "forty million, five hundred thirty-two thousand, two hundred twenty-five".