22210311222 has 24 divisors (see below), whose sum is σ = 52497099720. Its totient is φ = 6730397280.

The previous prime is 22210311217. The next prime is 22210311223. The reversal of 22210311222 is 22211301222.

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 = 22210311195 and 22210311204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210311223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56086447 + ... + 56086842.

It is an arithmetic number, because the mean of its divisors is an integer number (2187379155).

Almost surely, 2^22210311222 is an apocalyptic number.

22210311222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22210311222 is an abundant number, since it is smaller than the sum of its proper divisors (30286788498).

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

22210311222 is a wasteful number, since it uses less digits than its factorization.

22210311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112173308 (or 112173305 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22210311222 its reverse (22211301222), we get a palindrome (44421612444).

The spelling of 22210311222 in words is "twenty-two billion, two hundred ten million, three hundred eleven thousand, two hundred twenty-two".