322420425 has 24 divisors (see below), whose sum is σ = 538063776. Its totient is φ = 170346240.

The previous prime is 322420411. The next prime is 322420447. The reversal of 322420425 is 524024223.

It is a happy number.

It is not a de Polignac number, because 322420425 - 2⁵ = 322420393 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 322420395 and 322420404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12064 + ... + 28113.

It is an arithmetic number, because the mean of its divisors is an integer number (22419324).

Almost surely, 2^322420425 is an apocalyptic number.

It is an amenable number.

322420425 is a deficient number, since it is larger than the sum of its proper divisors (215643351).

322420425 is a wasteful number, since it uses less digits than its factorization.

322420425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40297 (or 40292 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 322420425 is about 17956.0693081754. The cubic root of 322420425 is about 685.7105773919.

Adding to 322420425 its reverse (524024223), we get a palindrome (846444648).

The spelling of 322420425 in words is "three hundred twenty-two million, four hundred twenty thousand, four hundred twenty-five".