2221222343305 has 16 divisors (see below), whose sum is σ = 3144513844224. Its totient is φ = 1473990863040.

The previous prime is 2221222343269. The next prime is 2221222343311. The reversal of 2221222343305 is 5033432221222.

It is not a de Polignac number, because 2221222343305 - 2³⁷ = 2083783389833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023603682 + ... + 1023605851.

It is an arithmetic number, because the mean of its divisors is an integer number (196532115264).

Almost surely, 2^{2221222343305} is an apocalyptic number.

It is an amenable number.

2221222343305 is a deficient number, since it is larger than the sum of its proper divisors (923291500919).

2221222343305 is a wasteful number, since it uses less digits than its factorization.

2221222343305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047209576.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 2221222343305 its reverse (5033432221222), we get a palindrome (7254654564527).

The spelling of 2221222343305 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, three hundred forty-three thousand, three hundred five".