2201515 has 4 divisors (see below), whose sum is σ = 2641824. Its totient is φ = 1761208.

The previous prime is 2201501. The next prime is 2201519. The reversal of 2201515 is 5151022.

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

It is a cyclic number.

It is not a de Polignac number, because 2201515 - 2⁷ = 2201387 is a prime.

It is a Duffinian number.

2201515 is a modest number, since divided by 1515 gives 220 as remainder.

2201515 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2201519) 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, 220147 + ... + 220156.

It is an arithmetic number, because the mean of its divisors is an integer number (660456).

2^2201515 is an apocalyptic number.

2201515 is a deficient number, since it is larger than the sum of its proper divisors (440309).

2201515 is an equidigital number, since it uses as much as digits as its factorization.

2201515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440308.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2201515 is about 1483.7503159225. The cubic root of 2201515 is about 130.0889923203.

Adding to 2201515 its reverse (5151022), we get a palindrome (7352537).

The spelling of 2201515 in words is "two million, two hundred one thousand, five hundred fifteen".