2255215 has 8 divisors (see below), whose sum is σ = 2715840. Its totient is φ = 1797792.

The previous prime is 2255191. The next prime is 2255233. The reversal of 2255215 is 5125522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2255215 is a prime.

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, 1221 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (339480).

2^2255215 is an apocalyptic number.

2255215 is a deficient number, since it is larger than the sum of its proper divisors (460625).

2255215 is a wasteful number, since it uses less digits than its factorization.

2255215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its digits is 1000, while the sum is 22.

The square root of 2255215 is about 1501.7373272314. The cubic root of 2255215 is about 131.1382298645.

The spelling of 2255215 in words is "two million, two hundred fifty-five thousand, two hundred fifteen".