2221224221222 has 16 divisors (see below), whose sum is σ = 3365167687344. Its totient is φ = 1099503900000.

The previous prime is 2221224221173. The next prime is 2221224221231.

2221224221222 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2221224221191 and 2221224221200.

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, 1444697 + ... + 2555307.

It is an arithmetic number, because the mean of its divisors is an integer number (210322980459).

Almost surely, 2^{2221224221222} is an apocalyptic number.

2221224221222 is a deficient number, since it is larger than the sum of its proper divisors (1143943466122).

2221224221222 is a wasteful number, since it uses less digits than its factorization.

2221224221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120615.

The product of its digits is 4096, while the sum is 26.

The spelling of 2221224221222 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-four million, two hundred twenty-one thousand, two hundred twenty-two".