2222611122245 has 4 divisors (see below), whose sum is σ = 2667133346700. Its totient is φ = 1778088897792.

The previous prime is 2222611122203. The next prime is 2222611122271. The reversal of 2222611122245 is 5422211162222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 600026848996 + 1622584273249 = 774614^2 + 1273807^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222611122245 - 2¹⁰ = 2222611121221 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 222261112220 + ... + 222261112229.

It is an arithmetic number, because the mean of its divisors is an integer number (666783336675).

Almost surely, 2^{2222611122245} is an apocalyptic number.

It is an amenable number.

2222611122245 is a deficient number, since it is larger than the sum of its proper divisors (444522224455).

2222611122245 is an equidigital number, since it uses as much as digits as its factorization.

2222611122245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444522224454.

The product of its digits is 15360, while the sum is 32.

Adding to 2222611122245 its reverse (5422211162222), we get a palindrome (7644822284467).

The spelling of 2222611122245 in words is "two trillion, two hundred twenty-two billion, six hundred eleven million, one hundred twenty-two thousand, two hundred forty-five".