2215505 has 8 divisors (see below), whose sum is σ = 2671872. Its totient is φ = 1763568.

The previous prime is 2215501. The next prime is 2215529. The reversal of 2215505 is 5055122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2215505 - 2² = 2215501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122 + ... + 2108.

It is an arithmetic number, because the mean of its divisors is an integer number (333984).

2^2215505 is an apocalyptic number.

It is an amenable number.

2215505 is a deficient number, since it is larger than the sum of its proper divisors (456367).

2215505 is a wasteful number, since it uses less digits than its factorization.

2215505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 2215505 is about 1488.4572550127. The cubic root of 2215505 is about 130.3639701542.

The spelling of 2215505 in words is "two million, two hundred fifteen thousand, five hundred five".