322044421 has 4 divisors (see below), whose sum is σ = 323060652. Its totient is φ = 321028192.

The previous prime is 322044419. The next prime is 322044439. The reversal of 322044421 is 124440223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124440223 = 2683 ⋅46381.

It can be written as a sum of positive squares in 2 ways, for example, as 152028900 + 170015521 = 12330^2 + 13039^2 .

It is a cyclic number.

It is not a de Polignac number, because 322044421 - 2¹ = 322044419 is a prime.

It is a super-3 number, since 3×322044421³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322044392 and 322044401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322044451) 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, 507640 + ... + 508273.

It is an arithmetic number, because the mean of its divisors is an integer number (80765163).

Almost surely, 2^322044421 is an apocalyptic number.

It is an amenable number.

322044421 is a deficient number, since it is larger than the sum of its proper divisors (1016231).

322044421 is a wasteful number, since it uses less digits than its factorization.

322044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016230.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 322044421 is about 17945.5961450156. The cubic root of 322044421 is about 685.4439170614.

Adding to 322044421 its reverse (124440223), we get a palindrome (446484644).

The spelling of 322044421 in words is "three hundred twenty-two million, forty-four thousand, four hundred twenty-one".