2180215 has 8 divisors (see below), whose sum is σ = 2635920. Its totient is φ = 1731072.

The previous prime is 2180183. The next prime is 2180219. The reversal of 2180215 is 5120812.

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 2180215 - 2⁵ = 2180183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2180192 and 2180201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180219) 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, 874 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (329490).

2^2180215 is an apocalyptic number.

2180215 is a deficient number, since it is larger than the sum of its proper divisors (455705).

2180215 is a wasteful number, since it uses less digits than its factorization.

2180215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 2180215 is about 1476.5551124154. Note that the first 3 decimals coincide. The cubic root of 2180215 is about 129.6680882060.

The spelling of 2180215 in words is "two million, one hundred eighty thousand, two hundred fifteen".