22120323000 has 128 divisors (see below), whose sum is σ = 69067365120. Its totient is φ = 5894313600.

The previous prime is 22120322981. The next prime is 22120323073. The reversal of 22120323000 is 32302122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6607327 + ... + 6610673.

It is an arithmetic number, because the mean of its divisors is an integer number (539588790).

Almost surely, 2^22120323000 is an apocalyptic number.

22120323000 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 22120323000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34533682560).

22120323000 is an abundant number, since it is smaller than the sum of its proper divisors (46947042120).

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

22120323000 is a wasteful number, since it uses less digits than its factorization.

22120323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5560 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22120323000 its reverse (32302122), we get a palindrome (22152625122).

The spelling of 22120323000 in words is "twenty-two billion, one hundred twenty million, three hundred twenty-three thousand".