22321321000 has 128 divisors (see below), whose sum is σ = 58056860160. Its totient is φ = 7963488000.

The previous prime is 22321320913. The next prime is 22321321051. The reversal of 22321321000 is 12312322.

It is a super-3 number, since 3×22321321000³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563857 + ... + 602143.

It is an arithmetic number, because the mean of its divisors is an integer number (453569220).

Almost surely, 2^22321321000 is an apocalyptic number.

22321321000 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 22321321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29028430080).

22321321000 is an abundant number, since it is smaller than the sum of its proper divisors (35735539160).

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

22321321000 is a wasteful number, since it uses less digits than its factorization.

22321321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38372 (or 38358 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22321321000 its reverse (12312322), we get a palindrome (22333633322).

The spelling of 22321321000 in words is "twenty-two billion, three hundred twenty-one million, three hundred twenty-one thousand".