321442221092 has 12 divisors (see below), whose sum is σ = 562531970700. Its totient is φ = 160718800896.

The previous prime is 321442221091. The next prime is 321442221119. The reversal of 321442221092 is 290122244123.

It can be written as a sum of positive squares in 2 ways, for example, as 79352636416 + 242089584676 = 281696^2 + 492026^2 .

It is not an unprimeable number, because it can be changed into a prime (321442221091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242717 + ... + 837732.

It is an arithmetic number, because the mean of its divisors is an integer number (46877664225).

Almost surely, 2^321442221092 is an apocalyptic number.

It is an amenable number.

321442221092 is a deficient number, since it is larger than the sum of its proper divisors (241089749608).

321442221092 is a wasteful number, since it uses less digits than its factorization.

321442221092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154830 (or 1154828 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 321442221092 in words is "three hundred twenty-one billion, four hundred forty-two million, two hundred twenty-one thousand, ninety-two".