40222338 has 24 divisors (see below), whose sum is σ = 87110928. Its totient is φ = 12375792.

The previous prime is 40222337. The next prime is 40222349. The reversal of 40222338 is 83322204.

40222338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40222337) 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, 18820 + ... + 20847.

It is an arithmetic number, because the mean of its divisors is an integer number (3629622).

Almost surely, 2^40222338 is an apocalyptic number.

40222338 is an abundant number, since it is smaller than the sum of its proper divisors (46888590).

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

40222338 is a wasteful number, since it uses less digits than its factorization.

40222338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39698 (or 39685 counting only the distinct ones).

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

The square root of 40222338 is about 6342.1083245243. The cubic root of 40222338 is about 342.6276732888.

The spelling of 40222338 in words is "forty million, two hundred twenty-two thousand, three hundred thirty-eight".