322431425 has 48 divisors (see below), whose sum is σ = 441936000. Its totient is φ = 232404480.

The previous prime is 322431419. The next prime is 322431433. The reversal of 322431425 is 524134223.

It is a de Polignac number, because none of the positive numbers 2^k-322431425 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 322431394 and 322431403.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1225844 + ... + 1226106.

It is an arithmetic number, because the mean of its divisors is an integer number (9207000).

Almost surely, 2^322431425 is an apocalyptic number.

It is an amenable number.

322431425 is a deficient number, since it is larger than the sum of its proper divisors (119504575).

322431425 is a wasteful number, since it uses less digits than its factorization.

322431425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 405 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 322431425 is about 17956.3756086801. The cubic root of 322431425 is about 685.7183754200.

Adding to 322431425 its reverse (524134223), we get a palindrome (846565648).

The spelling of 322431425 in words is "three hundred twenty-two million, four hundred thirty-one thousand, four hundred twenty-five".