22242444422 has 16 divisors (see below), whose sum is σ = 36757094544. Its totient is φ = 10010100000.

The previous prime is 22242444421. The next prime is 22242444431. The reversal of 22242444422 is 22444424222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242444421) 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, 5002829 + ... + 5007272.

It is an arithmetic number, because the mean of its divisors is an integer number (2297318409).

Almost surely, 2^22242444422 is an apocalyptic number.

22242444422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22242444422 is a deficient number, since it is larger than the sum of its proper divisors (14514650122).

22242444422 is a wasteful number, since it uses less digits than its factorization.

22242444422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010215.

The product of its digits is 65536, while the sum is 32.

Adding to 22242444422 its reverse (22444424222), we get a palindrome (44686868644).

It can be divided in two parts, 22242 and 444422, that added together give a palindrome (466664).

The spelling of 22242444422 in words is "twenty-two billion, two hundred forty-two million, four hundred forty-four thousand, four hundred twenty-two".