322121425 has 6 divisors (see below), whose sum is σ = 399430598. Its totient is φ = 257697120.

The previous prime is 322121413. The next prime is 322121431. The reversal of 322121425 is 524121223.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 54700816 + 267420609 = 7396^2 + 16353^2 .

It is not a de Polignac number, because 322121425 - 2¹¹ = 322119377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322121396 and 322121405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6442404 + ... + 6442453.

Almost surely, 2^322121425 is an apocalyptic number.

It is an amenable number.

322121425 is a deficient number, since it is larger than the sum of its proper divisors (77309173).

322121425 is a wasteful number, since it uses less digits than its factorization.

322121425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12884867 (or 12884862 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 322121425 is about 17947.7415013700. The cubic root of 322121425 is about 685.4985448432.

Adding to 322121425 its reverse (524121223), we get a palindrome (846242648).

The spelling of 322121425 in words is "three hundred twenty-two million, one hundred twenty-one thousand, four hundred twenty-five".