320422524 has 48 divisors (see below), whose sum is σ = 767950848. Its totient is φ = 103940928.

The previous prime is 320422523. The next prime is 320422559. The reversal of 320422524 is 425224023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320422494 and 320422503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320422523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78789 + ... + 82755.

It is an arithmetic number, because the mean of its divisors is an integer number (15998976).

Almost surely, 2^320422524 is an apocalyptic number.

It is an amenable number.

320422524 is an abundant number, since it is smaller than the sum of its proper divisors (447528324).

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

320422524 is a wasteful number, since it uses less digits than its factorization.

320422524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154 (or 4152 counting only the distinct ones).

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

The square root of 320422524 is about 17900.3498289838. The cubic root of 320422524 is about 684.2912903849.

Adding to 320422524 its reverse (425224023), we get a palindrome (745646547).

The spelling of 320422524 in words is "three hundred twenty million, four hundred twenty-two thousand, five hundred twenty-four".