22231030000 has 100 divisors (see below), whose sum is σ = 55560564928. Its totient is φ = 8605440000.

The previous prime is 22231029979. The next prime is 22231030001. The reversal of 22231030000 is 3013222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231030001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 274144 + ... + 345856.

Almost surely, 2^22231030000 is an apocalyptic number.

22231030000 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 22231030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27780282464).

22231030000 is an abundant number, since it is smaller than the sum of its proper divisors (33329534928).

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

22231030000 is an equidigital number, since it uses as much as digits as its factorization.

22231030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71772 (or 71751 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 22231030000 its reverse (3013222), we get a palindrome (22234043222).

The spelling of 22231030000 in words is "twenty-two billion, two hundred thirty-one million, thirty thousand".