22101223000 has 128 divisors (see below), whose sum is σ = 53387942400. Its totient is φ = 8559408000.

The previous prime is 22101222943. The next prime is 22101223003. The reversal of 22101223000 is 32210122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101223003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3950205 + ... + 3955795.

It is an arithmetic number, because the mean of its divisors is an integer number (417093300).

Almost surely, 2^22101223000 is an apocalyptic number.

22101223000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22101223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26693971200).

22101223000 is an abundant number, since it is smaller than the sum of its proper divisors (31286719400).

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

22101223000 is a wasteful number, since it uses less digits than its factorization.

22101223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738 (or 5724 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22101223000 its reverse (32210122), we get a palindrome (22133433122).

It can be divided in two parts, 2210122 and 3000, that added together give a palindrome (2213122).

The spelling of 22101223000 in words is "twenty-two billion, one hundred one million, two hundred twenty-three thousand".