22030320222 has 128 divisors (see below), whose sum is σ = 53065152000. Its totient is φ = 6837506784.

The previous prime is 22030320217. The next prime is 22030320223. The reversal of 22030320222 is 22202303022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22030320195 and 22030320204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030320223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4901008 + ... + 4905500.

It is an arithmetic number, because the mean of its divisors is an integer number (414571500).

Almost surely, 2^22030320222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22030320222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26532576000).

22030320222 is an abundant number, since it is smaller than the sum of its proper divisors (31034831778).

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

22030320222 is an equidigital number, since it uses as much as digits as its factorization.

22030320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594 (or 4576 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22030320222 its reverse (22202303022), we get a palindrome (44232623244).

The spelling of 22030320222 in words is "twenty-two billion, thirty million, three hundred twenty thousand, two hundred twenty-two".