322401225 has 12 divisors (see below), whose sum is σ = 533036816. Its totient is φ = 171947280.

The previous prime is 322401199. The next prime is 322401251. The reversal of 322401225 is 522104223.

It is an interprime number because it is at equal distance from previous prime (322401199) and next prime (322401251).

It is not a de Polignac number, because 322401225 - 2¹⁰ = 322400201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2149267 + ... + 2149416.

Almost surely, 2^322401225 is an apocalyptic number.

It is an amenable number.

322401225 is a deficient number, since it is larger than the sum of its proper divisors (210635591).

322401225 is a wasteful number, since it uses less digits than its factorization.

322401225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298696 (or 4298691 counting only the distinct ones).

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

The square root of 322401225 is about 17955.5346620478. The cubic root of 322401225 is about 685.6969658634.

Adding to 322401225 its reverse (522104223), we get a palindrome (844505448).

The spelling of 322401225 in words is "three hundred twenty-two million, four hundred one thousand, two hundred twenty-five".