2229217 has 4 divisors (see below), whose sum is σ = 2232576. Its totient is φ = 2225860.

The previous prime is 2229169. The next prime is 2229239. The reversal of 2229217 is 7129222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2229217 - 2⁷ = 2229089 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2⁹ + 2¹⁷ + 9 + 2²¹ + 1 + 7³ .

It is a pancake number, because a pancake can be divided into 2229217 parts by 2111 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2229191 and 2229200.

It is not an unprimeable number, because it can be changed into a prime (2229247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313 + ... + 2134.

It is an arithmetic number, because the mean of its divisors is an integer number (558144).

2^2229217 is an apocalyptic number.

It is an amenable number.

2229217 is a deficient number, since it is larger than the sum of its proper divisors (3359).

2229217 is an equidigital number, since it uses as much as digits as its factorization.

2229217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358.

The product of its digits is 1008, while the sum is 25.

The square root of 2229217 is about 1493.0562614985. The cubic root of 2229217 is about 130.6323627787.

The spelling of 2229217 in words is "two million, two hundred twenty-nine thousand, two hundred seventeen".