22000444422 has 32 divisors (see below), whose sum is σ = 49298298624. Its totient is φ = 6486616800.

The previous prime is 22000444421. The next prime is 22000444429. The reversal of 22000444422 is 22444400022.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22000444392 and 22000444401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000444421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4502154 + ... + 4507037.

It is an arithmetic number, because the mean of its divisors is an integer number (1540571832).

Almost surely, 2^22000444422 is an apocalyptic number.

22000444422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22000444422 is an abundant number, since it is smaller than the sum of its proper divisors (27297854202).

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

22000444422 is a wasteful number, since it uses less digits than its factorization.

22000444422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009244.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22000444422 its reverse (22444400022), we get a palindrome (44444844444).

The spelling of 22000444422 in words is "twenty-two billion, four hundred forty-four thousand, four hundred twenty-two".