2215205005 has 16 divisors (see below), whose sum is σ = 2892247344. Its totient is φ = 1618974720.

The previous prime is 2215204997. The next prime is 2215205021. The reversal of 2215205005 is 5005025122.

It can be written as a sum of positive squares in 8 ways, for example, as 170537481 + 2044667524 = 13059^2 + 45218^2 .

It is not a de Polignac number, because 2215205005 - 2³ = 2215204997 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 169366 + ... + 181975.

It is an arithmetic number, because the mean of its divisors is an integer number (180765459).

Almost surely, 2^2215205005 is an apocalyptic number.

It is an amenable number.

2215205005 is a deficient number, since it is larger than the sum of its proper divisors (677042339).

2215205005 is a wasteful number, since it uses less digits than its factorization.

2215205005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351456.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2215205005 is about 47065.9644010404. The cubic root of 2215205005 is about 1303.5808582163.

The spelling of 2215205005 in words is "two billion, two hundred fifteen million, two hundred five thousand, five".