2183215 has 8 divisors (see below), whose sum is σ = 2631600. Its totient is φ = 1738752.

The previous prime is 2183201. The next prime is 2183227. The reversal of 2183215 is 5123812.

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 2183215 - 2⁹ = 2182703 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436 + ... + 2134.

It is an arithmetic number, because the mean of its divisors is an integer number (328950).

2^2183215 is an apocalyptic number.

2183215 is a deficient number, since it is larger than the sum of its proper divisors (448385).

2183215 is a wasteful number, since it uses less digits than its factorization.

2183215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961.

The product of its digits is 480, while the sum is 22.

The square root of 2183215 is about 1477.5706412893. The cubic root of 2183215 is about 129.7275358562.

It can be divided in two parts, 21 and 83215, that multiplied together give a triangular number (1747515 = T₁₈₆₉).

The spelling of 2183215 in words is "two million, one hundred eighty-three thousand, two hundred fifteen".