322431025 has 18 divisors (see below), whose sum is σ = 465092070. Its totient is φ = 221094720.

The previous prime is 322430981. The next prime is 322431037. The reversal of 322431025 is 520134223.

It can be written as a sum of positive squares in 3 ways, for example, as 2307361 + 320123664 = 1519^2 + 17892^2 .

It is not a de Polignac number, because 322431025 - 2⁷ = 322430897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 322430987 and 322431005.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 130380 + ... + 132829.

Almost surely, 2^322431025 is an apocalyptic number.

322431025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

322431025 is a deficient number, since it is larger than the sum of its proper divisors (142661045).

322431025 is a wasteful number, since it uses less digits than its factorization.

322431025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263233 (or 263221 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 322431025 is about 17956.3644705714. The cubic root of 322431025 is about 685.7180918584.

Adding to 322431025 its reverse (520134223), we get a palindrome (842565248).

The spelling of 322431025 in words is "three hundred twenty-two million, four hundred thirty-one thousand, twenty-five".