2228215 has 24 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 1552320.

The previous prime is 2228209. The next prime is 2228221. The reversal of 2228215 is 5128222.

It is an interprime number because it is at equal distance from previous prime (2228209) and next prime (2228221).

It is not a de Polignac number, because 2228215 - 2⁵ = 2228183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17482 + ... + 17608.

It is an arithmetic number, because the mean of its divisors is an integer number (127680).

2^2228215 is an apocalyptic number.

2228215 is a deficient number, since it is larger than the sum of its proper divisors (836105).

2228215 is a wasteful number, since it uses less digits than its factorization.

2228215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 172 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 2228215 is about 1492.7206704538. The cubic root of 2228215 is about 130.6127874086.

The spelling of 2228215 in words is "two million, two hundred twenty-eight thousand, two hundred fifteen".