22000220044 has 24 divisors (see below), whose sum is σ = 42054819408. Its totient is φ = 9987147840.

The previous prime is 22000219999. The next prime is 22000220051. The reversal of 22000220044 is 44002200022.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289407 + ... + 357430.

It is an arithmetic number, because the mean of its divisors is an integer number (1752284142).

Almost surely, 2^22000220044 is an apocalyptic number.

It is an amenable number.

22000220044 is a deficient number, since it is larger than the sum of its proper divisors (20054599364).

22000220044 is a wasteful number, since it uses less digits than its factorization.

22000220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647625 (or 647623 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22000220044 its reverse (44002200022), we get a palindrome (66002420066).

The spelling of 22000220044 in words is "twenty-two billion, two hundred twenty thousand, forty-four".