40340022 has 16 divisors (see below), whose sum is σ = 84188160. Its totient is φ = 12861992.

The previous prime is 40340017. The next prime is 40340033. The reversal of 40340022 is 22004304.

It is a happy number.

40340022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40339983 and 40340010.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 146022 + ... + 146297.

It is an arithmetic number, because the mean of its divisors is an integer number (5261760).

Almost surely, 2^40340022 is an apocalyptic number.

40340022 is an abundant number, since it is smaller than the sum of its proper divisors (43848138).

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

40340022 is a wasteful number, since it uses less digits than its factorization.

40340022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292347.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40340022 is about 6351.3795351876. The cubic root of 40340022 is about 342.9615054817.

Adding to 40340022 its reverse (22004304), we get a palindrome (62344326).

The spelling of 40340022 in words is "forty million, three hundred forty thousand, twenty-two".