2219227 has 4 divisors (see below), whose sum is σ = 2223376. Its totient is φ = 2215080.

The previous prime is 2219221. The next prime is 2219251. The reversal of 2219227 is 7229122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7229122 = 2 ⋅3614561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2219227 is a prime.

It is a d-powerful number, because it can be written as 2⁶ + 2⁸ + 1 + 9 + 2¹² + 2²¹ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2219221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1128 + ... + 2389.

It is an arithmetic number, because the mean of its divisors is an integer number (555844).

2^2219227 is an apocalyptic number.

2219227 is a deficient number, since it is larger than the sum of its proper divisors (4149).

2219227 is an equidigital number, since it uses as much as digits as its factorization.

2219227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148.

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

The square root of 2219227 is about 1489.7070181751. The cubic root of 2219227 is about 130.4369321852.

The spelling of 2219227 in words is "two million, two hundred nineteen thousand, two hundred twenty-seven".