322042421044021 has 4 divisors (see below), whose sum is σ = 322062177052044. Its totient is φ = 322022665036000.

The previous prime is 322042421043971. The next prime is 322042421044081. The reversal of 322042421044021 is 120440124240223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 274014554958225 + 48027866085796 = 16553385^2 + 6930214^2 .

It is a cyclic number.

It is not a de Polignac number, because 322042421044021 - 2²³ = 322042412655413 is a prime.

It is a super-2 number, since 2×322042421044021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322042421044081) 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, 9877979560 + ... + 9878012161.

It is an arithmetic number, because the mean of its divisors is an integer number (80515544263011).

Almost surely, 2^{322042421044021} is an apocalyptic number.

It is an amenable number.

322042421044021 is a deficient number, since it is larger than the sum of its proper divisors (19756008023).

322042421044021 is a wasteful number, since it uses less digits than its factorization.

322042421044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19756008022.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 322042421044021 its reverse (120440124240223), we get a palindrome (442482545284244).

The spelling of 322042421044021 in words is "three hundred twenty-two trillion, forty-two billion, four hundred twenty-one million, forty-four thousand, twenty-one".