2211222230305 has 16 divisors (see below), whose sum is σ = 2910683700288. Its totient is φ = 1599276744000.

The previous prime is 2211222230293. The next prime is 2211222230323. The reversal of 2211222230305 is 5030322221122.

It is not a de Polignac number, because 2211222230305 - 2¹⁹ = 2211221706017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211222230305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111050931 + ... + 111070840.

It is an arithmetic number, because the mean of its divisors is an integer number (181917731268).

Almost surely, 2^{2211222230305} is an apocalyptic number.

It is an amenable number.

2211222230305 is a deficient number, since it is larger than the sum of its proper divisors (699461469983).

2211222230305 is a wasteful number, since it uses less digits than its factorization.

2211222230305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222121968.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 2211222230305 its reverse (5030322221122), we get a palindrome (7241544451427).

The spelling of 2211222230305 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, two hundred thirty thousand, three hundred five".