321223434422002 has 16 divisors (see below), whose sum is σ = 550669485231360. Its totient is φ = 137667001053888.

The previous prime is 321223434421993. The next prime is 321223434422003. The reversal of 321223434422002 is 200224434322123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (321223434422003) 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, 4371303 + ... + 25720714.

It is an arithmetic number, because the mean of its divisors is an integer number (34416842826960).

Almost surely, 2^{321223434422002} is an apocalyptic number.

321223434422002 is a deficient number, since it is larger than the sum of its proper divisors (229446050809358).

321223434422002 is a wasteful number, since it uses less digits than its factorization.

321223434422002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30854505.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 321223434422002 its reverse (200224434322123), we get a palindrome (521447868744125).

The spelling of 321223434422002 in words is "three hundred twenty-one trillion, two hundred twenty-three billion, four hundred thirty-four million, four hundred twenty-two thousand, two".