22022223000 has 256 divisors, whose sum is σ = 71418672000. Its totient is φ = 5643008000.

The previous prime is 22022222953. The next prime is 22022223007. The reversal of 22022223000 is 32222022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022223007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23402530 + ... + 23403470.

Almost surely, 2^22022223000 is an apocalyptic number.

22022223000 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 22022223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35709336000).

22022223000 is an abundant number, since it is smaller than the sum of its proper divisors (49396449000).

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

22022223000 is a wasteful number, since it uses less digits than its factorization.

22022223000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 22022223000 its reverse (32222022), we get a palindrome (22054445022).

The spelling of 22022223000 in words is "twenty-two billion, twenty-two million, two hundred twenty-three thousand".