1322231212223 has 4 divisors (see below), whose sum is σ = 1330148764560. Its totient is φ = 1314313659888.

The previous prime is 1322231212207. The next prime is 1322231212279. The reversal of 1322231212223 is 3222121322231.

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

It is a cyclic number.

It is not a de Polignac number, because 1322231212223 - 2⁴ = 1322231212207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322231212192 and 1322231212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322231212123) 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, 3958775918 + ... + 3958776251.

It is an arithmetic number, because the mean of its divisors is an integer number (332537191140).

Almost surely, 2^{1322231212223} is an apocalyptic number.

1322231212223 is a deficient number, since it is larger than the sum of its proper divisors (7917552337).

1322231212223 is an equidigital number, since it uses as much as digits as its factorization.

1322231212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7917552336.

The product of its digits is 3456, while the sum is 26.

Adding to 1322231212223 its reverse (3222121322231), we get a palindrome (4544352534454).

The spelling of 1322231212223 in words is "one trillion, three hundred twenty-two billion, two hundred thirty-one million, two hundred twelve thousand, two hundred twenty-three".