22222101000 has 128 divisors (see below), whose sum is σ = 75636063360. Its totient is φ = 5387168000.

The previous prime is 22222100981. The next prime is 22222101001. The reversal of 22222101000 is 10122222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (22222101001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303699 + ... + 369698.

It is an arithmetic number, because the mean of its divisors is an integer number (590906745).

Almost surely, 2^22222101000 is an apocalyptic number.

22222101000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222101000 is an abundant number, since it is smaller than the sum of its proper divisors (53413962360).

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

22222101000 is a wasteful number, since it uses less digits than its factorization.

22222101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673432 (or 673418 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22222101000 its reverse (10122222), we get a palindrome (22232223222).

The spelling of 22222101000 in words is "twenty-two billion, two hundred twenty-two million, one hundred one thousand".