22200122000 has 80 divisors (see below), whose sum is σ = 61348490112. Its totient is φ = 7611465600.

The previous prime is 22200121991. The next prime is 22200122003. The reversal of 22200122000 is 22100222.

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

It is not an unprimeable number, because it can be changed into a prime (22200122003) 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, 778862 + ... + 806861.

Almost surely, 2^22200122000 is an apocalyptic number.

22200122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200122000 is an abundant number, since it is smaller than the sum of its proper divisors (39148368112).

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

22200122000 is a wasteful number, since it uses less digits than its factorization.

22200122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585753 (or 1585737 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22200122000 its reverse (22100222), we get a palindrome (22222222222).

The spelling of 22200122000 in words is "twenty-two billion, two hundred million, one hundred twenty-two thousand".