40338222 has 8 divisors (see below), whose sum is σ = 80676456. Its totient is φ = 13446072.

The previous prime is 40338191. The next prime is 40338227. The reversal of 40338222 is 22283304.

40338222 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.

40338222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 40338192 and 40338201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40338227) 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, 3361513 + ... + 3361524.

It is an arithmetic number, because the mean of its divisors is an integer number (10084557).

Almost surely, 2^40338222 is an apocalyptic number.

40338222 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.

40338222 is a wasteful number, since it uses less digits than its factorization.

40338222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723042.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40338222 is about 6351.2378321080. The cubic root of 40338222 is about 342.9564043451.

The spelling of 40338222 in words is "forty million, three hundred thirty-eight thousand, two hundred twenty-two".