1822230322313 has 4 divisors (see below), whose sum is σ = 1822666579860. Its totient is φ = 1821794064768.

The previous prime is 1822230322277. The next prime is 1822230322333. The reversal of 1822230322313 is 3132230322281.

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 858518992969 + 963711329344 = 926563^2 + 981688^2 .

It is a cyclic number.

It is not a de Polignac number, because 1822230322313 - 2²⁰ = 1822229273737 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 1822230322313.

It is not an unprimeable number, because it can be changed into a prime (1822230322333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218122508 + ... + 218130861.

It is an arithmetic number, because the mean of its divisors is an integer number (455666644965).

Almost surely, 2^{1822230322313} is an apocalyptic number.

It is an amenable number.

1822230322313 is a deficient number, since it is larger than the sum of its proper divisors (436257547).

1822230322313 is an equidigital number, since it uses as much as digits as its factorization.

1822230322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436257546.

The product of its (nonzero) digits is 20736, while the sum is 32.

Subtracting from 1822230322313 its sum of digits (32), we obtain a palindrome (1822230322281).

Adding to 1822230322313 its reverse (3132230322281), we get a palindrome (4954460644594).

The spelling of 1822230322313 in words is "one trillion, eight hundred twenty-two billion, two hundred thirty million, three hundred twenty-two thousand, three hundred thirteen".