2144227 has 4 divisors (see below), whose sum is σ = 2270376. Its totient is φ = 2018080.

The previous prime is 2144213. The next prime is 2144243. The reversal of 2144227 is 7224412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144227 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2144198 and 2144207.

It is not an unprimeable number, because it can be changed into a prime (2144287) 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, 63049 + ... + 63082.

It is an arithmetic number, because the mean of its divisors is an integer number (567594).

2^2144227 is an apocalyptic number.

2144227 is a deficient number, since it is larger than the sum of its proper divisors (126149).

2144227 is a wasteful number, since it uses less digits than its factorization.

2144227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126148.

The product of its digits is 896, while the sum is 22.

The square root of 2144227 is about 1464.3179299592. The cubic root of 2144227 is about 128.9506651882.

Adding to 2144227 its reverse (7224412), we get a palindrome (9368639).

The spelling of 2144227 in words is "two million, one hundred forty-four thousand, two hundred twenty-seven".