22212255221222 has 64 divisors (see below), whose sum is σ = 37134891230976. Its totient is φ = 9880650000000.

The previous prime is 22212255221203. The next prime is 22212255221227.

22212255221222 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212255221227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72909572 + ... + 73213592.

It is an arithmetic number, because the mean of its divisors is an integer number (580232675484).

Almost surely, 2^{22212255221222} is an apocalyptic number.

22212255221222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22212255221222 is a deficient number, since it is larger than the sum of its proper divisors (14922636009754).

22212255221222 is a wasteful number, since it uses less digits than its factorization.

22212255221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304517.

The product of its digits is 25600, while the sum is 32.

It can be divided in two parts, 2221225 and 5221222, that added together give a palindrome (7442447).

The spelling of 22212255221222 in words is "twenty-two trillion, two hundred twelve billion, two hundred fifty-five million, two hundred twenty-one thousand, two hundred twenty-two".