22240122 has 16 divisors (see below), whose sum is σ = 45565632. Its totient is φ = 7232480.

The previous prime is 22240117. The next prime is 22240123. The reversal of 22240122 is 22104222.

It is not an unprimeable number, because it can be changed into a prime (22240123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44958 + ... + 45449.

It is an arithmetic number, because the mean of its divisors is an integer number (2847852).

Almost surely, 2^22240122 is an apocalyptic number.

22240122 is an abundant number, since it is smaller than the sum of its proper divisors (23325510).

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

22240122 is a wasteful number, since it uses less digits than its factorization.

22240122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90453.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 22240122 is about 4715.9433838841. The cubic root of 22240122 is about 281.2196877949.

Adding to 22240122 its reverse (22104222), we get a palindrome (44344344).

The spelling of 22240122 in words is "twenty-two million, two hundred forty thousand, one hundred twenty-two".