321044400222 has 64 divisors (see below), whose sum is σ = 802058202624. Its totient is φ = 83407294080.

The previous prime is 321044400221. The next prime is 321044400233. The reversal of 321044400222 is 222004440123.

It is a junction number, because it is equal to n+sod(n) for n = 321044400192 and 321044400201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321044400221) 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 31 ways as a sum of consecutive naturals, for example, 4351429 + ... + 4424592.

It is an arithmetic number, because the mean of its divisors is an integer number (12532159416).

Almost surely, 2^321044400222 is an apocalyptic number.

321044400222 is an abundant number, since it is smaller than the sum of its proper divisors (481013802402).

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

321044400222 is a wasteful number, since it uses less digits than its factorization.

321044400222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8776113.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 321044400222 its reverse (222004440123), we get a palindrome (543048840345).

The spelling of 321044400222 in words is "three hundred twenty-one billion, forty-four million, four hundred thousand, two hundred twenty-two".