22212422421222 has 32 divisors (see below), whose sum is σ = 48463893281664. Its totient is φ = 6730977905600.

The previous prime is 22212422421209. The next prime is 22212422421223.

22212422421222 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22212422421222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212422421223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6397597 + ... + 9238727.

It is an arithmetic number, because the mean of its divisors is an integer number (1514496665052).

Almost surely, 2^{22212422421222} is an apocalyptic number.

22212422421222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22212422421222 is an abundant number, since it is smaller than the sum of its proper divisors (26251470860442).

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

22212422421222 is a wasteful number, since it uses less digits than its factorization.

22212422421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959604.

The product of its digits is 16384, while the sum is 30.

It can be divided in two parts, 2221242 and 2421222, that added together give a palindrome (4642464).

The spelling of 22212422421222 in words is "twenty-two trillion, two hundred twelve billion, four hundred twenty-two million, four hundred twenty-one thousand, two hundred twenty-two".