2215000517 has 4 divisors (see below), whose sum is σ = 2221275660. Its totient is φ = 2208725376.

The previous prime is 2215000493. The next prime is 2215000547. The reversal of 2215000517 is 7150005122.

It is a happy number.

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 1494131716 + 720868801 = 38654^2 + 26849^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215000517 - 2¹⁴ = 2214984133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2215000492 and 2215000501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215000547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3137042 + ... + 3137747.

It is an arithmetic number, because the mean of its divisors is an integer number (555318915).

Almost surely, 2^2215000517 is an apocalyptic number.

It is an amenable number.

2215000517 is a deficient number, since it is larger than the sum of its proper divisors (6275143).

2215000517 is an equidigital number, since it uses as much as digits as its factorization.

2215000517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275142.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 2215000517 is about 47063.7919955458. The cubic root of 2215000517 is about 1303.5407453231.

Adding to 2215000517 its reverse (7150005122), we get a palindrome (9365005639).

The spelling of 2215000517 in words is "two billion, two hundred fifteen million, five hundred seventeen", and thus it is an aban number.