40004022 has 8 divisors (see below), whose sum is σ = 80008056. Its totient is φ = 13334672.

The previous prime is 40004017. The next prime is 40004023. The reversal of 40004022 is 22040004.

40004022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

40004022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 40003989 and 40004007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004023) 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 3 ways as a sum of consecutive naturals, for example, 3333663 + ... + 3333674.

It is an arithmetic number, because the mean of its divisors is an integer number (10001007).

Almost surely, 2^40004022 is an apocalyptic number.

40004022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40004022 is a wasteful number, since it uses less digits than its factorization.

40004022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667342.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 40004022 is about 6324.8732793630. The cubic root of 40004022 is about 342.0066514899.

Adding to 40004022 its reverse (22040004), we get a palindrome (62044026).

The spelling of 40004022 in words is "forty million, four thousand, twenty-two".