22231222213222 has 16 divisors (see below), whose sum is σ = 36738545443344. Its totient is φ = 10005050500000.

The previous prime is 22231222213183. The next prime is 22231222213241.

22231222213222 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5002523029 + ... + 5002527472.

It is an arithmetic number, because the mean of its divisors is an integer number (2296159090209).

Almost surely, 2^{22231222213222} is an apocalyptic number.

22231222213222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22231222213222 is a deficient number, since it is larger than the sum of its proper divisors (14507323230122).

22231222213222 is a wasteful number, since it uses less digits than its factorization.

22231222213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005050615.

The product of its digits is 9216, while the sum is 28.

It can be divided in two parts, 2223122 and 2213222, that added together give a palindrome (4436344).

The spelling of 22231222213222 in words is "twenty-two trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred twenty-two".