1223321144322 has 8 divisors (see below), whose sum is σ = 2446642288656. Its totient is φ = 407773714772.

The previous prime is 1223321144299. The next prime is 1223321144341. The reversal of 1223321144322 is 2234411233221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1223321144322 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223321144322.

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, 101943428688 + ... + 101943428699.

It is an arithmetic number, because the mean of its divisors is an integer number (305830286082).

Almost surely, 2^{1223321144322} is an apocalyptic number.

1223321144322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223321144322 is a wasteful number, since it uses less digits than its factorization.

1223321144322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203886857392.

The product of its digits is 13824, while the sum is 30.

Adding to 1223321144322 its reverse (2234411233221), we get a palindrome (3457732377543).

The spelling of 1223321144322 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-one million, one hundred forty-four thousand, three hundred twenty-two".