2287215 has 48 divisors (see below), whose sum is σ = 4650048. Its totient is φ = 1018368.

The previous prime is 2287199. The next prime is 2287223. The reversal of 2287215 is 5127822.

It is not a de Polignac number, because 2287215 - 2⁴ = 2287199 is a prime.

It is an Ulam number.

2287215 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16627 + ... + 16763.

It is an arithmetic number, because the mean of its divisors is an integer number (96876).

2^2287215 is an apocalyptic number.

2287215 is an abundant number, since it is smaller than the sum of its proper divisors (2362833).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2287215 is a wasteful number, since it uses less digits than its factorization.

2287215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 205 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2287215 is about 1512.3541251969. The cubic root of 2287215 is about 131.7555738430.

The spelling of 2287215 in words is "two million, two hundred eighty-seven thousand, two hundred fifteen".