22223220000 has 120 divisors (see below), whose sum is σ = 72896803056. Its totient is φ = 5926176000.

The previous prime is 22223219939. The next prime is 22223220007. The reversal of 22223220000 is 2232222.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (22223220007) 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, 125194 + ... + 245193.

Almost surely, 2^22223220000 is an apocalyptic number.

22223220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22223220000 is an abundant number, since it is smaller than the sum of its proper divisors (50673583056).

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

22223220000 is an equidigital number, since it uses as much as digits as its factorization.

22223220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370420 (or 370397 counting only the distinct ones).

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

Adding to 22223220000 its reverse (2232222), we get a palindrome (22225452222).

The spelling of 22223220000 in words is "twenty-two billion, two hundred twenty-three million, two hundred twenty thousand".