320022415025 has 12 divisors (see below), whose sum is σ = 396835749324. Its totient is φ = 256012800000.

The previous prime is 320022415003. The next prime is 320022415043. The reversal of 320022415025 is 520514220023.

It can be written as a sum of positive squares in 6 ways, for example, as 195972001 + 319826443024 = 13999^2 + 565532^2 .

It is not a de Polignac number, because 320022415025 - 2⁸ = 320022414769 is a prime.

It is a super-2 number, since 2×320022415025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320022414985 and 320022415003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1600625 + ... + 1789425.

It is an arithmetic number, because the mean of its divisors is an integer number (33069645777).

Almost surely, 2^320022415025 is an apocalyptic number.

It is an amenable number.

320022415025 is a deficient number, since it is larger than the sum of its proper divisors (76813334299).

320022415025 is a wasteful number, since it uses less digits than its factorization.

320022415025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256612 (or 256607 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 320022415025 its reverse (520514220023), we get a palindrome (840536635048).

The spelling of 320022415025 in words is "three hundred twenty billion, twenty-two million, four hundred fifteen thousand, twenty-five".