2212515 has 28 divisors (see below), whose sum is σ = 3987264. Its totient is φ = 1178064.

The previous prime is 2212487. The next prime is 2212519. The reversal of 2212515 is 5152122.

It is not a de Polignac number, because 2212515 - 2⁷ = 2212387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2212519) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3342 + ... + 3948.

2^2212515 is an apocalyptic number.

2212515 is a deficient number, since it is larger than the sum of its proper divisors (1774749).

2212515 is an frugal number, since it uses more digits than its factorization.

2212515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 615 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 2212515 is about 1487.4525202506. The cubic root of 2212515 is about 130.3052982408.

Adding to 2212515 its reverse (5152122), we get a palindrome (7364637).

The spelling of 2212515 in words is "two million, two hundred twelve thousand, five hundred fifteen".