22444022 has 16 divisors (see below), whose sum is σ = 34584000. Its totient is φ = 10918152.

The previous prime is 22444007. The next prime is 22444027. The reversal of 22444022 is 22044422.

It is a junction number, because it is equal to n+sod(n) for n = 22443985 and 22444003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42653 + ... + 43175.

It is an arithmetic number, because the mean of its divisors is an integer number (2161500).

Almost surely, 2^22444022 is an apocalyptic number.

22444022 is a deficient number, since it is larger than the sum of its proper divisors (12139978).

22444022 is a wasteful number, since it uses less digits than its factorization.

22444022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 22444022 is about 4737.5122163431. The cubic root of 22444022 is about 282.0764928385.

Adding to 22444022 its reverse (22044422), we get a palindrome (44488444).

The spelling of 22444022 in words is "twenty-two million, four hundred forty-four thousand, twenty-two".