2015022385 has 4 divisors (see below), whose sum is σ = 2418026868. Its totient is φ = 1612017904.

The previous prime is 2015022353. The next prime is 2015022391. The reversal of 2015022385 is 5832205102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 725063329 + 1289959056 = 26927^2 + 35916^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015022385 - 2⁵ = 2015022353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201502234 + ... + 201502243.

It is an arithmetic number, because the mean of its divisors is an integer number (604506717).

Almost surely, 2^2015022385 is an apocalyptic number.

It is an amenable number.

2015022385 is a deficient number, since it is larger than the sum of its proper divisors (403004483).

2015022385 is an equidigital number, since it uses as much as digits as its factorization.

2015022385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403004482.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2015022385 is about 44889.0007128695. Note that the first 3 decimals coincide. The cubic root of 2015022385 is about 1263.0676878416.

Adding to 2015022385 its reverse (5832205102), we get a palindrome (7847227487).

The spelling of 2015022385 in words is "two billion, fifteen million, twenty-two thousand, three hundred eighty-five".