321204404444422 has 16 divisors (see below), whose sum is σ = 483912483213600. Its totient is φ = 159900248931840.

The previous prime is 321204404444419. The next prime is 321204404444453. The reversal of 321204404444422 is 224444404402123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127316454 + ... + 129814822.

It is an arithmetic number, because the mean of its divisors is an integer number (30244530200850).

Almost surely, 2^{321204404444422} is an apocalyptic number.

321204404444422 is a deficient number, since it is larger than the sum of its proper divisors (162708078769178).

321204404444422 is a wasteful number, since it uses less digits than its factorization.

321204404444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779311.

The product of its (nonzero) digits is 786432, while the sum is 40.

Adding to 321204404444422 its reverse (224444404402123), we get a palindrome (545648808846545).

The spelling of 321204404444422 in words is "three hundred twenty-one trillion, two hundred four billion, four hundred four million, four hundred forty-four thousand, four hundred twenty-two".