1022233311205 has 4 divisors (see below), whose sum is σ = 1226679973452. Its totient is φ = 817786648960.

The previous prime is 1022233311157. The next prime is 1022233311221. The reversal of 1022233311205 is 5021133322201.

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 152354386276 + 869878924929 = 390326^2 + 932673^2 .

It is not a de Polignac number, because 1022233311205 - 2¹¹ = 1022233309157 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 1022233311205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102223331116 + ... + 102223331125.

It is an arithmetic number, because the mean of its divisors is an integer number (306669993363).

Almost surely, 2^{1022233311205} is an apocalyptic number.

It is an amenable number.

1022233311205 is a deficient number, since it is larger than the sum of its proper divisors (204446662247).

1022233311205 is an equidigital number, since it uses as much as digits as its factorization.

1022233311205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204446662246.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1022233311205 its reverse (5021133322201), we get a palindrome (6043366633406).

The spelling of 1022233311205 in words is "one trillion, twenty-two billion, two hundred thirty-three million, three hundred eleven thousand, two hundred five".