22041318 has 24 divisors (see below), whose sum is σ = 47736648. Its totient is φ = 6781632.

The previous prime is 22041317. The next prime is 22041323. The reversal of 22041318 is 81314022.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22041294 and 22041303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22041317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9855 + ... + 11882.

It is an arithmetic number, because the mean of its divisors is an integer number (1989027).

Almost surely, 2^22041318 is an apocalyptic number.

22041318 is an abundant number, since it is smaller than the sum of its proper divisors (25695330).

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

22041318 is a wasteful number, since it uses less digits than its factorization.

22041318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21768 (or 21755 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 22041318 is about 4694.8182073431. The cubic root of 22041318 is about 280.3792395173.

The spelling of 22041318 in words is "twenty-two million, forty-one thousand, three hundred eighteen".