320425224 has 64 divisors (see below), whose sum is σ = 931046400. Its totient is φ = 89995584.

The previous prime is 320425219. The next prime is 320425247. The reversal of 320425224 is 422524023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 320425194 and 320425203.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6252 + ... + 26075.

It is an arithmetic number, because the mean of its divisors is an integer number (14547600).

Almost surely, 2^320425224 is an apocalyptic number.

It is an amenable number.

320425224 is an abundant number, since it is smaller than the sum of its proper divisors (610621176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320425224 is a wasteful number, since it uses less digits than its factorization.

320425224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32402 (or 32398 counting only the distinct ones).

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

The square root of 320425224 is about 17900.4252463454. The cubic root of 320425224 is about 684.2932124109.

Adding to 320425224 its reverse (422524023), we get a palindrome (742949247).

The spelling of 320425224 in words is "three hundred twenty million, four hundred twenty-five thousand, two hundred twenty-four".