22230000000 has 768 divisors, whose sum is σ = 90644299200. Its totient is φ = 5184000000.

The previous prime is 22229999989. The next prime is 22230000031. The reversal of 22230000000 is 3222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1169999991 + ... + 1170000009.

Almost surely, 2^22230000000 is an apocalyptic number.

22230000000 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 22230000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45322149600).

22230000000 is an abundant number, since it is smaller than the sum of its proper divisors (68414299200).

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

22230000000 is an frugal number, since it uses more digits than its factorization.

22230000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 22230000000 its reverse (3222), we get a palindrome (22230003222).

The spelling of 22230000000 in words is "twenty-two billion, two hundred thirty million", and thus it is an aban number.