22906338 has 32 divisors (see below), whose sum is σ = 56386176. Its totient is φ = 6041088.

The previous prime is 22906333. The next prime is 22906339. The reversal of 22906338 is 83360922.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22906299 and 22906308.

It is not an unprimeable number, because it can be changed into a prime (22906333) 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 15 ways as a sum of consecutive naturals, for example, 20431 + ... + 21522.

It is an arithmetic number, because the mean of its divisors is an integer number (1762068).

Almost surely, 2^22906338 is an apocalyptic number.

22906338 is an abundant number, since it is smaller than the sum of its proper divisors (33479838).

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

22906338 is a wasteful number, since it uses less digits than its factorization.

22906338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41978.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 22906338 is about 4786.0566231502. The cubic root of 22906338 is about 284.0001405144. Note that the first 3 decimals are identical.

The spelling of 22906338 in words is "twenty-two million, nine hundred six thousand, three hundred thirty-eight".