22224422000 has 80 divisors (see below), whose sum is σ = 58624042464. Its totient is φ = 8081600000.

The previous prime is 22224421981. The next prime is 22224422027. The reversal of 22224422000 is 22442222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483101 + ... + 527100.

Almost surely, 2^22224422000 is an apocalyptic number.

22224422000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22224422000 is an abundant number, since it is smaller than the sum of its proper divisors (36399620464).

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

22224422000 is a wasteful number, since it uses less digits than its factorization.

22224422000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010235 (or 1010219 counting only the distinct ones).

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

Adding to 22224422000 its reverse (22442222), we get a palindrome (22246864222).

The spelling of 22224422000 in words is "twenty-two billion, two hundred twenty-four million, four hundred twenty-two thousand".