40422582 has 24 divisors (see below), whose sum is σ = 88784904. Its totient is φ = 13289184.

The previous prime is 40422563. The next prime is 40422587. The reversal of 40422582 is 28522404.

It is a happy number.

40422582 is a `hidden beast` number, since 40 + 42 + 2 + 582 = 666.

40422582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40422587) 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, 14068 + ... + 16695.

It is an arithmetic number, because the mean of its divisors is an integer number (3699371).

Almost surely, 2^40422582 is an apocalyptic number.

40422582 is an abundant number, since it is smaller than the sum of its proper divisors (48362322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40422582 is a wasteful number, since it uses less digits than its factorization.

40422582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30844 (or 30841 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 40422582 is about 6357.8755885909. The cubic root of 40422582 is about 343.1953147029.

Adding to 40422582 its reverse (28522404), we get a palindrome (68944986).

The spelling of 40422582 in words is "forty million, four hundred twenty-two thousand, five hundred eighty-two".