22022310222 has 72 divisors (see below), whose sum is σ = 52599340872. Its totient is φ = 6604070400.

The previous prime is 22022310161. The next prime is 22022310263. The reversal of 22022310222 is 22201322022.

22022310222 is a `hidden beast` number, since 220 + 223 + 1 + 0 + 222 = 666.

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 = 22022310195 and 22022310204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1857072 + ... + 1868892.

It is an arithmetic number, because the mean of its divisors is an integer number (730546401).

Almost surely, 2^22022310222 is an apocalyptic number.

22022310222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022310222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26299670436).

22022310222 is an abundant number, since it is smaller than the sum of its proper divisors (30577030650).

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

22022310222 is a wasteful number, since it uses less digits than its factorization.

22022310222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12034 (or 11934 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22022310222 its reverse (22201322022), we get a palindrome (44223632244).

The spelling of 22022310222 in words is "twenty-two billion, twenty-two million, three hundred ten thousand, two hundred twenty-two".