223321001322 has 16 divisors (see below), whose sum is σ = 452295699840. Its totient is φ = 73498050912.

The previous prime is 223321001297. The next prime is 223321001329. The reversal of 223321001322 is 223100123322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (223321001329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 235570203 + ... + 235571150.

It is an arithmetic number, because the mean of its divisors is an integer number (28268481240).

Almost surely, 2^223321001322 is an apocalyptic number.

223321001322 is an abundant number, since it is smaller than the sum of its proper divisors (228974698518).

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

223321001322 is a wasteful number, since it uses less digits than its factorization.

223321001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471141437.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223321001322 its reverse (223100123322), we get a palindrome (446421124644).

The spelling of 223321001322 in words is "two hundred twenty-three billion, three hundred twenty-one million, one thousand, three hundred twenty-two".