2228217 has 16 divisors (see below), whose sum is σ = 3176448. Its totient is φ = 1386000.

The previous prime is 2228209. The next prime is 2228221. The reversal of 2228217 is 7128222.

It is a happy number.

It is not a de Polignac number, because 2228217 - 2³ = 2228209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2228117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2592 + ... + 3342.

It is an arithmetic number, because the mean of its divisors is an integer number (198528).

2^2228217 is an apocalyptic number.

It is an amenable number.

2228217 is a deficient number, since it is larger than the sum of its proper divisors (948231).

2228217 is a wasteful number, since it uses less digits than its factorization.

2228217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its digits is 896, while the sum is 24.

The square root of 2228217 is about 1492.7213403713. The cubic root of 2228217 is about 130.6128264870.

The spelling of 2228217 in words is "two million, two hundred twenty-eight thousand, two hundred seventeen".