2208284625985 has 16 divisors (see below), whose sum is σ = 2735586247680. Its totient is φ = 1709538016320.

The previous prime is 2208284625983. The next prime is 2208284626003. The reversal of 2208284625985 is 5895264828022.

It is a happy number.

It is not a de Polignac number, because 2208284625985 - 2¹ = 2208284625983 is a prime.

It is a super-2 number, since 2×2208284625985² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2208284625983) by changing a digit.

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, 2244499 + ... + 3074791.

It is an arithmetic number, because the mean of its divisors is an integer number (170974140480).

Almost surely, 2^{2208284625985} is an apocalyptic number.

It is an amenable number.

2208284625985 is a deficient number, since it is larger than the sum of its proper divisors (527301621695).

2208284625985 is a wasteful number, since it uses less digits than its factorization.

2208284625985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847488.

The product of its (nonzero) digits is 44236800, while the sum is 61.

The spelling of 2208284625985 in words is "two trillion, two hundred eight billion, two hundred eighty-four million, six hundred twenty-five thousand, nine hundred eighty-five".