22444220422 has 24 divisors (see below), whose sum is σ = 36502843104. Its totient is φ = 10345349664.

The previous prime is 22444220419. The next prime is 22444220423. The reversal of 22444220422 is 22402244422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444220423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218323 + ... + 304225.

It is an arithmetic number, because the mean of its divisors is an integer number (1520951796).

Almost surely, 2^22444220422 is an apocalyptic number.

22444220422 is a deficient number, since it is larger than the sum of its proper divisors (14058622682).

22444220422 is a wasteful number, since it uses less digits than its factorization.

22444220422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86704 (or 86691 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22444220422 its reverse (22402244422), we get a palindrome (44846464844).

The spelling of 22444220422 in words is "twenty-two billion, four hundred forty-four million, two hundred twenty thousand, four hundred twenty-two".