2221324231222 has 16 divisors (see below), whose sum is σ = 3444818936832. Its totient is φ = 1073162693160.

The previous prime is 2221324231163. The next prime is 2221324231241.

It is a happy number.

2221324231222 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2221324231222² (a number of 25 digits) contains 22 as substring.

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, 27820018 + ... + 27899749.

It is an arithmetic number, because the mean of its divisors is an integer number (215301183552).

Almost surely, 2^{2221324231222} is an apocalyptic number.

2221324231222 is a deficient number, since it is larger than the sum of its proper divisors (1223494705610).

2221324231222 is a wasteful number, since it uses less digits than its factorization.

2221324231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55720443.

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

The spelling of 2221324231222 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-four million, two hundred thirty-one thousand, two hundred twenty-two".