321422025 has 12 divisors (see below), whose sum is σ = 531417872. Its totient is φ = 171425040.

The previous prime is 321421999. The next prime is 321422027. The reversal of 321422025 is 520224123.

It is not a de Polignac number, because 321422025 - 2⁷ = 321421897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321421992 and 321422010.

It is not an unprimeable number, because it can be changed into a prime (321422027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2142739 + ... + 2142888.

Almost surely, 2^321422025 is an apocalyptic number.

It is an amenable number.

321422025 is a deficient number, since it is larger than the sum of its proper divisors (209995847).

321422025 is a wasteful number, since it uses less digits than its factorization.

321422025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285640 (or 4285635 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 321422025 is about 17928.2465679162. The cubic root of 321422025 is about 685.0020601284.

Adding to 321422025 its reverse (520224123), we get a palindrome (841646148).

The spelling of 321422025 in words is "three hundred twenty-one million, four hundred twenty-two thousand, twenty-five".